commit 80a70ca4ac26f1cfdec94cdccc5c7cb0ac671815 · julien.rbrt.fr/tangled-core

+1 -1

appview/notify/db/db.go

···

       12
        
       	"tangled.org/core/appview/notify"

     

       13
        
       	"tangled.org/core/idresolver"

     

       14
        
       	"tangled.org/core/orm"

     

       15
       -
       	"tangled.org/oppi.li/sets"

     

       16
        
       )

     

       17
        
       

     

       18
        
       const (

···

       12
        
       	"tangled.org/core/appview/notify"

     

       13
        
       	"tangled.org/core/idresolver"

     

       14
        
       	"tangled.org/core/orm"

     

       15
       +
       	"tangled.org/core/sets"

     

       16
        
       )

     

       17
        
       

     

       18
        
       const (

-1

go.mod

···

       215
        
       	gopkg.in/warnings.v0 v0.1.2 // indirect

     

       216
        
       	gotest.tools/v3 v3.5.2 // indirect

     

       217
        
       	lukechampine.com/blake3 v1.4.1 // indirect

     

       218
       -
       	tangled.org/oppi.li/sets v0.0.0-20251210075238-d0656dd747b1 // indirect

     

       219
        
       )

     

       220
        
       

     

       221
        
       replace github.com/sergi/go-diff => github.com/sergi/go-diff v1.1.0

···

       215
        
       	gopkg.in/warnings.v0 v0.1.2 // indirect

     

       216
        
       	gotest.tools/v3 v3.5.2 // indirect

     

       217
        
       	lukechampine.com/blake3 v1.4.1 // indirect

     

       0
        
       
     

       218
        
       )

     

       219
        
       

     

       220
        
       replace github.com/sergi/go-diff => github.com/sergi/go-diff v1.1.0

-4

go.sum

···

       726
        
       honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=

     

       727
        
       lukechampine.com/blake3 v1.4.1 h1:I3Smz7gso8w4/TunLKec6K2fn+kyKtDxr/xcQEN84Wg=

     

       728
        
       lukechampine.com/blake3 v1.4.1/go.mod h1:QFosUxmjB8mnrWFSNwKmvxHpfY72bmD2tQ0kBMM3kwo=

     

       729
       -
       tangled.org/oppi.li/sets v0.0.0-20251122035104-aea095ac29d9 h1:LD0RqSiHzo3HuiU0gTc0+0DE2z0PRye1x6D1SsbBYU0=

     

       730
       -
       tangled.org/oppi.li/sets v0.0.0-20251122035104-aea095ac29d9/go.mod h1:C09MVBFQm4osZYBfo7V9kwGw8T5zYK2bYmpGbrG7Lec=

     

       731
       -
       tangled.org/oppi.li/sets v0.0.0-20251210075238-d0656dd747b1 h1:6SeBKpo7JJvVwuj/6ocnr8Xh2NI4SX2cDpTNqhBIY68=

     

       732
       -
       tangled.org/oppi.li/sets v0.0.0-20251210075238-d0656dd747b1/go.mod h1:p1Xz6tCV3Kxfqe4o6B4MzOr40gTrG3hwJqiZS9EX9LM=

     

       733
        
       tangled.sh/oppi.li/go-gitdiff v0.8.2 h1:pASJJNWaFn6EmEIUNNjHZQ3stRu6BqTO2YyjKvTcxIc=

     

       734
        
       tangled.sh/oppi.li/go-gitdiff v0.8.2/go.mod h1:WWAk1Mc6EgWarCrPFO+xeYlujPu98VuLW3Tu+B/85AE=

···

       726
        
       honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=

     

       727
        
       lukechampine.com/blake3 v1.4.1 h1:I3Smz7gso8w4/TunLKec6K2fn+kyKtDxr/xcQEN84Wg=

     

       728
        
       lukechampine.com/blake3 v1.4.1/go.mod h1:QFosUxmjB8mnrWFSNwKmvxHpfY72bmD2tQ0kBMM3kwo=

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       729
        
       tangled.sh/oppi.li/go-gitdiff v0.8.2 h1:pASJJNWaFn6EmEIUNNjHZQ3stRu6BqTO2YyjKvTcxIc=

     

       730
        
       tangled.sh/oppi.li/go-gitdiff v0.8.2/go.mod h1:WWAk1Mc6EgWarCrPFO+xeYlujPu98VuLW3Tu+B/85AE=

+31

sets/gen.go

···

       1
       +
       package sets

     

       2
       +
       

     

       3
       +
       import (

     

       4
       +
       	"math/rand"

     

       5
       +
       	"reflect"

     

       6
       +
       	"testing/quick"

     

       7
       +
       )

     

       8
       +
       

     

       9
       +
       func (_ Set[T]) Generate(rand *rand.Rand, size int) reflect.Value {

     

       10
       +
       	s := New[T]()

     

       11
       +
       

     

       12
       +
       	var zero T

     

       13
       +
       	itemType := reflect.TypeOf(zero)

     

       14
       +
       

     

       15
       +
       	for {

     

       16
       +
       		if s.Len() >= size {

     

       17
       +
       			break

     

       18
       +
       		}

     

       19
       +
       

     

       20
       +
       		item, ok := quick.Value(itemType, rand)

     

       21
       +
       		if !ok {

     

       22
       +
       			continue

     

       23
       +
       		}

     

       24
       +
       

     

       25
       +
       		if val, ok := item.Interface().(T); ok {

     

       26
       +
       			s.Insert(val)

     

       27
       +
       		}

     

       28
       +
       	}

     

       29
       +
       

     

       30
       +
       	return reflect.ValueOf(s)

     

       31
       +
       }

+35

sets/readme.txt

···

       1
       +
       sets

     

       2
       +
       ----

     

       3
       +
       set datastructure for go with generics and iterators. the

     

       4
       +
       api is supposed to mimic rust's std::collections::HashSet api.

     

       5
       +
       

     

       6
       +
           s1 := sets.Collect(slices.Values([]int{1, 2, 3, 4}))

     

       7
       +
           s2 := sets.Collect(slices.Values([]int{1, 2, 3, 4, 5, 6}))

     

       8
       +
       

     

       9
       +
           union     := sets.Collect(s1.Union(s2))

     

       10
       +
           intersect := sets.Collect(s1.Intersection(s2))

     

       11
       +
           diff      := sets.Collect(s1.Difference(s2))

     

       12
       +
           symdiff   := sets.Collect(s1.SymmetricDifference(s2))

     

       13
       +
       

     

       14
       +
           s1.Len()          // 4

     

       15
       +
           s1.Contains(1)    // true

     

       16
       +
           s1.IsEmpty()      // false

     

       17
       +
           s1.IsSubset(s2)   // true

     

       18
       +
           s1.IsSuperset(s2) // false

     

       19
       +
           s1.IsDisjoint(s2) // false

     

       20
       +
       

     

       21
       +
           if exists := s1.Insert(1); exists {

     

       22
       +
               // already existed in set

     

       23
       +
           }

     

       24
       +
       

     

       25
       +
           if existed := s1.Remove(1); existed {

     

       26
       +
               // existed in set, now removed

     

       27
       +
           }

     

       28
       +
       

     

       29
       +
       

     

       30
       +
       testing

     

       31
       +
       -------

     

       32
       +
       includes property-based tests using the wonderful

     

       33
       +
       testing/quick module!

     

       34
       +
       

     

       35
       +
           go test -v

+174

sets/set.go

···

       1
       +
       package sets

     

       2
       +
       

     

       3
       +
       import (

     

       4
       +
       	"iter"

     

       5
       +
       	"maps"

     

       6
       +
       )

     

       7
       +
       

     

       8
       +
       type Set[T comparable] struct {

     

       9
       +
       	data map[T]struct{}

     

       10
       +
       }

     

       11
       +
       

     

       12
       +
       func New[T comparable]() Set[T] {

     

       13
       +
       	return Set[T]{

     

       14
       +
       		data: make(map[T]struct{}),

     

       15
       +
       	}

     

       16
       +
       }

     

       17
       +
       

     

       18
       +
       func (s *Set[T]) Insert(item T) bool {

     

       19
       +
       	_, exists := s.data[item]

     

       20
       +
       	s.data[item] = struct{}{}

     

       21
       +
       	return !exists

     

       22
       +
       }

     

       23
       +
       

     

       24
       +
       func Singleton[T comparable](item T) Set[T] {

     

       25
       +
       	n := New[T]()

     

       26
       +
       	_ = n.Insert(item)

     

       27
       +
       	return n

     

       28
       +
       }

     

       29
       +
       

     

       30
       +
       func (s *Set[T]) Remove(item T) bool {

     

       31
       +
       	_, exists := s.data[item]

     

       32
       +
       	if exists {

     

       33
       +
       		delete(s.data, item)

     

       34
       +
       	}

     

       35
       +
       	return exists

     

       36
       +
       }

     

       37
       +
       

     

       38
       +
       func (s Set[T]) Contains(item T) bool {

     

       39
       +
       	_, exists := s.data[item]

     

       40
       +
       	return exists

     

       41
       +
       }

     

       42
       +
       

     

       43
       +
       func (s Set[T]) Len() int {

     

       44
       +
       	return len(s.data)

     

       45
       +
       }

     

       46
       +
       

     

       47
       +
       func (s Set[T]) IsEmpty() bool {

     

       48
       +
       	return len(s.data) == 0

     

       49
       +
       }

     

       50
       +
       

     

       51
       +
       func (s *Set[T]) Clear() {

     

       52
       +
       	s.data = make(map[T]struct{})

     

       53
       +
       }

     

       54
       +
       

     

       55
       +
       func (s Set[T]) All() iter.Seq[T] {

     

       56
       +
       	return func(yield func(T) bool) {

     

       57
       +
       		for item := range s.data {

     

       58
       +
       			if !yield(item) {

     

       59
       +
       				return

     

       60
       +
       			}

     

       61
       +
       		}

     

       62
       +
       	}

     

       63
       +
       }

     

       64
       +
       

     

       65
       +
       func (s Set[T]) Clone() Set[T] {

     

       66
       +
       	return Set[T]{

     

       67
       +
       		data: maps.Clone(s.data),

     

       68
       +
       	}

     

       69
       +
       }

     

       70
       +
       

     

       71
       +
       func (s Set[T]) Union(other Set[T]) iter.Seq[T] {

     

       72
       +
       	if s.Len() >= other.Len() {

     

       73
       +
       		return chain(s.All(), other.Difference(s))

     

       74
       +
       	} else {

     

       75
       +
       		return chain(other.All(), s.Difference(other))

     

       76
       +
       	}

     

       77
       +
       }

     

       78
       +
       

     

       79
       +
       func chain[T any](seqs ...iter.Seq[T]) iter.Seq[T] {

     

       80
       +
       	return func(yield func(T) bool) {

     

       81
       +
       		for _, seq := range seqs {

     

       82
       +
       			for item := range seq {

     

       83
       +
       				if !yield(item) {

     

       84
       +
       					return

     

       85
       +
       				}

     

       86
       +
       			}

     

       87
       +
       		}

     

       88
       +
       	}

     

       89
       +
       }

     

       90
       +
       

     

       91
       +
       func (s Set[T]) Intersection(other Set[T]) iter.Seq[T] {

     

       92
       +
       	return func(yield func(T) bool) {

     

       93
       +
       		for item := range s.data {

     

       94
       +
       			if other.Contains(item) {

     

       95
       +
       				if !yield(item) {

     

       96
       +
       					return

     

       97
       +
       				}

     

       98
       +
       			}

     

       99
       +
       		}

     

       100
       +
       	}

     

       101
       +
       }

     

       102
       +
       

     

       103
       +
       func (s Set[T]) Difference(other Set[T]) iter.Seq[T] {

     

       104
       +
       	return func(yield func(T) bool) {

     

       105
       +
       		for item := range s.data {

     

       106
       +
       			if !other.Contains(item) {

     

       107
       +
       				if !yield(item) {

     

       108
       +
       					return

     

       109
       +
       				}

     

       110
       +
       			}

     

       111
       +
       		}

     

       112
       +
       	}

     

       113
       +
       }

     

       114
       +
       

     

       115
       +
       func (s Set[T]) SymmetricDifference(other Set[T]) iter.Seq[T] {

     

       116
       +
       	return func(yield func(T) bool) {

     

       117
       +
       		for item := range s.data {

     

       118
       +
       			if !other.Contains(item) {

     

       119
       +
       				if !yield(item) {

     

       120
       +
       					return

     

       121
       +
       				}

     

       122
       +
       			}

     

       123
       +
       		}

     

       124
       +
       		for item := range other.data {

     

       125
       +
       			if !s.Contains(item) {

     

       126
       +
       				if !yield(item) {

     

       127
       +
       					return

     

       128
       +
       				}

     

       129
       +
       			}

     

       130
       +
       		}

     

       131
       +
       	}

     

       132
       +
       }

     

       133
       +
       

     

       134
       +
       func (s Set[T]) IsSubset(other Set[T]) bool {

     

       135
       +
       	for item := range s.data {

     

       136
       +
       		if !other.Contains(item) {

     

       137
       +
       			return false

     

       138
       +
       		}

     

       139
       +
       	}

     

       140
       +
       	return true

     

       141
       +
       }

     

       142
       +
       

     

       143
       +
       func (s Set[T]) IsSuperset(other Set[T]) bool {

     

       144
       +
       	return other.IsSubset(s)

     

       145
       +
       }

     

       146
       +
       

     

       147
       +
       func (s Set[T]) IsDisjoint(other Set[T]) bool {

     

       148
       +
       	for item := range s.data {

     

       149
       +
       		if other.Contains(item) {

     

       150
       +
       			return false

     

       151
       +
       		}

     

       152
       +
       	}

     

       153
       +
       	return true

     

       154
       +
       }

     

       155
       +
       

     

       156
       +
       func (s Set[T]) Equal(other Set[T]) bool {

     

       157
       +
       	if s.Len() != other.Len() {

     

       158
       +
       		return false

     

       159
       +
       	}

     

       160
       +
       	for item := range s.data {

     

       161
       +
       		if !other.Contains(item) {

     

       162
       +
       			return false

     

       163
       +
       		}

     

       164
       +
       	}

     

       165
       +
       	return true

     

       166
       +
       }

     

       167
       +
       

     

       168
       +
       func Collect[T comparable](seq iter.Seq[T]) Set[T] {

     

       169
       +
       	result := New[T]()

     

       170
       +
       	for item := range seq {

     

       171
       +
       		result.Insert(item)

     

       172
       +
       	}

     

       173
       +
       	return result

     

       174
       +
       }

+411

sets/set_test.go

···

       1
       +
       package sets

     

       2
       +
       

     

       3
       +
       import (

     

       4
       +
       	"slices"

     

       5
       +
       	"testing"

     

       6
       +
       	"testing/quick"

     

       7
       +
       )

     

       8
       +
       

     

       9
       +
       func TestNew(t *testing.T) {

     

       10
       +
       	s := New[int]()

     

       11
       +
       	if s.Len() != 0 {

     

       12
       +
       		t.Errorf("New set should be empty, got length %d", s.Len())

     

       13
       +
       	}

     

       14
       +
       	if !s.IsEmpty() {

     

       15
       +
       		t.Error("New set should be empty")

     

       16
       +
       	}

     

       17
       +
       }

     

       18
       +
       

     

       19
       +
       func TestFromSlice(t *testing.T) {

     

       20
       +
       	s := Collect(slices.Values([]int{1, 2, 3, 2, 1}))

     

       21
       +
       	if s.Len() != 3 {

     

       22
       +
       		t.Errorf("Expected length 3, got %d", s.Len())

     

       23
       +
       	}

     

       24
       +
       	if !s.Contains(1) || !s.Contains(2) || !s.Contains(3) {

     

       25
       +
       		t.Error("Set should contain all unique elements from slice")

     

       26
       +
       	}

     

       27
       +
       }

     

       28
       +
       

     

       29
       +
       func TestInsert(t *testing.T) {

     

       30
       +
       	s := New[string]()

     

       31
       +
       

     

       32
       +
       	if !s.Insert("hello") {

     

       33
       +
       		t.Error("First insert should return true")

     

       34
       +
       	}

     

       35
       +
       	if s.Insert("hello") {

     

       36
       +
       		t.Error("Duplicate insert should return false")

     

       37
       +
       	}

     

       38
       +
       	if s.Len() != 1 {

     

       39
       +
       		t.Errorf("Expected length 1, got %d", s.Len())

     

       40
       +
       	}

     

       41
       +
       }

     

       42
       +
       

     

       43
       +
       func TestRemove(t *testing.T) {

     

       44
       +
       	s := Collect(slices.Values([]int{1, 2, 3}))

     

       45
       +
       

     

       46
       +
       	if !s.Remove(2) {

     

       47
       +
       		t.Error("Remove existing element should return true")

     

       48
       +
       	}

     

       49
       +
       	if s.Remove(2) {

     

       50
       +
       		t.Error("Remove non-existing element should return false")

     

       51
       +
       	}

     

       52
       +
       	if s.Contains(2) {

     

       53
       +
       		t.Error("Element should be removed")

     

       54
       +
       	}

     

       55
       +
       	if s.Len() != 2 {

     

       56
       +
       		t.Errorf("Expected length 2, got %d", s.Len())

     

       57
       +
       	}

     

       58
       +
       }

     

       59
       +
       

     

       60
       +
       func TestContains(t *testing.T) {

     

       61
       +
       	s := Collect(slices.Values([]int{1, 2, 3}))

     

       62
       +
       

     

       63
       +
       	if !s.Contains(1) {

     

       64
       +
       		t.Error("Should contain 1")

     

       65
       +
       	}

     

       66
       +
       	if s.Contains(4) {

     

       67
       +
       		t.Error("Should not contain 4")

     

       68
       +
       	}

     

       69
       +
       }

     

       70
       +
       

     

       71
       +
       func TestClear(t *testing.T) {

     

       72
       +
       	s := Collect(slices.Values([]int{1, 2, 3}))

     

       73
       +
       	s.Clear()

     

       74
       +
       

     

       75
       +
       	if !s.IsEmpty() {

     

       76
       +
       		t.Error("Set should be empty after clear")

     

       77
       +
       	}

     

       78
       +
       	if s.Len() != 0 {

     

       79
       +
       		t.Errorf("Expected length 0, got %d", s.Len())

     

       80
       +
       	}

     

       81
       +
       }

     

       82
       +
       

     

       83
       +
       func TestIterator(t *testing.T) {

     

       84
       +
       	s := Collect(slices.Values([]int{1, 2, 3}))

     

       85
       +
       	var items []int

     

       86
       +
       

     

       87
       +
       	for item := range s.All() {

     

       88
       +
       		items = append(items, item)

     

       89
       +
       	}

     

       90
       +
       

     

       91
       +
       	slices.Sort(items)

     

       92
       +
       	expected := []int{1, 2, 3}

     

       93
       +
       	if !slices.Equal(items, expected) {

     

       94
       +
       		t.Errorf("Expected %v, got %v", expected, items)

     

       95
       +
       	}

     

       96
       +
       }

     

       97
       +
       

     

       98
       +
       func TestClone(t *testing.T) {

     

       99
       +
       	s1 := Collect(slices.Values([]int{1, 2, 3}))

     

       100
       +
       	s2 := s1.Clone()

     

       101
       +
       

     

       102
       +
       	if !s1.Equal(s2) {

     

       103
       +
       		t.Error("Cloned set should be equal to original")

     

       104
       +
       	}

     

       105
       +
       

     

       106
       +
       	s2.Insert(4)

     

       107
       +
       	if s1.Contains(4) {

     

       108
       +
       		t.Error("Modifying clone should not affect original")

     

       109
       +
       	}

     

       110
       +
       }

     

       111
       +
       

     

       112
       +
       func TestUnion(t *testing.T) {

     

       113
       +
       	s1 := Collect(slices.Values([]int{1, 2}))

     

       114
       +
       	s2 := Collect(slices.Values([]int{2, 3}))

     

       115
       +
       

     

       116
       +
       	result := Collect(s1.Union(s2))

     

       117
       +
       	expected := Collect(slices.Values([]int{1, 2, 3}))

     

       118
       +
       

     

       119
       +
       	if !result.Equal(expected) {

     

       120
       +
       		t.Errorf("Expected %v, got %v", expected, result)

     

       121
       +
       	}

     

       122
       +
       }

     

       123
       +
       

     

       124
       +
       func TestIntersection(t *testing.T) {

     

       125
       +
       	s1 := Collect(slices.Values([]int{1, 2, 3}))

     

       126
       +
       	s2 := Collect(slices.Values([]int{2, 3, 4}))

     

       127
       +
       

     

       128
       +
       	expected := Collect(slices.Values([]int{2, 3}))

     

       129
       +
       	result := Collect(s1.Intersection(s2))

     

       130
       +
       

     

       131
       +
       	if !result.Equal(expected) {

     

       132
       +
       		t.Errorf("Expected %v, got %v", expected, result)

     

       133
       +
       	}

     

       134
       +
       }

     

       135
       +
       

     

       136
       +
       func TestDifference(t *testing.T) {

     

       137
       +
       	s1 := Collect(slices.Values([]int{1, 2, 3}))

     

       138
       +
       	s2 := Collect(slices.Values([]int{2, 3, 4}))

     

       139
       +
       

     

       140
       +
       	expected := Collect(slices.Values([]int{1}))

     

       141
       +
       	result := Collect(s1.Difference(s2))

     

       142
       +
       

     

       143
       +
       	if !result.Equal(expected) {

     

       144
       +
       		t.Errorf("Expected %v, got %v", expected, result)

     

       145
       +
       	}

     

       146
       +
       }

     

       147
       +
       

     

       148
       +
       func TestSymmetricDifference(t *testing.T) {

     

       149
       +
       	s1 := Collect(slices.Values([]int{1, 2, 3}))

     

       150
       +
       	s2 := Collect(slices.Values([]int{2, 3, 4}))

     

       151
       +
       

     

       152
       +
       	expected := Collect(slices.Values([]int{1, 4}))

     

       153
       +
       	result := Collect(s1.SymmetricDifference(s2))

     

       154
       +
       

     

       155
       +
       	if !result.Equal(expected) {

     

       156
       +
       		t.Errorf("Expected %v, got %v", expected, result)

     

       157
       +
       	}

     

       158
       +
       }

     

       159
       +
       

     

       160
       +
       func TestSymmetricDifferenceCommutativeProperty(t *testing.T) {

     

       161
       +
       	s1 := Collect(slices.Values([]int{1, 2, 3}))

     

       162
       +
       	s2 := Collect(slices.Values([]int{2, 3, 4}))

     

       163
       +
       

     

       164
       +
       	result1 := Collect(s1.SymmetricDifference(s2))

     

       165
       +
       	result2 := Collect(s2.SymmetricDifference(s1))

     

       166
       +
       

     

       167
       +
       	if !result1.Equal(result2) {

     

       168
       +
       		t.Errorf("Expected %v, got %v", result1, result2)

     

       169
       +
       	}

     

       170
       +
       }

     

       171
       +
       

     

       172
       +
       func TestIsSubset(t *testing.T) {

     

       173
       +
       	s1 := Collect(slices.Values([]int{1, 2}))

     

       174
       +
       	s2 := Collect(slices.Values([]int{1, 2, 3}))

     

       175
       +
       

     

       176
       +
       	if !s1.IsSubset(s2) {

     

       177
       +
       		t.Error("s1 should be subset of s2")

     

       178
       +
       	}

     

       179
       +
       	if s2.IsSubset(s1) {

     

       180
       +
       		t.Error("s2 should not be subset of s1")

     

       181
       +
       	}

     

       182
       +
       }

     

       183
       +
       

     

       184
       +
       func TestIsSuperset(t *testing.T) {

     

       185
       +
       	s1 := Collect(slices.Values([]int{1, 2, 3}))

     

       186
       +
       	s2 := Collect(slices.Values([]int{1, 2}))

     

       187
       +
       

     

       188
       +
       	if !s1.IsSuperset(s2) {

     

       189
       +
       		t.Error("s1 should be superset of s2")

     

       190
       +
       	}

     

       191
       +
       	if s2.IsSuperset(s1) {

     

       192
       +
       		t.Error("s2 should not be superset of s1")

     

       193
       +
       	}

     

       194
       +
       }

     

       195
       +
       

     

       196
       +
       func TestIsDisjoint(t *testing.T) {

     

       197
       +
       	s1 := Collect(slices.Values([]int{1, 2}))

     

       198
       +
       	s2 := Collect(slices.Values([]int{3, 4}))

     

       199
       +
       	s3 := Collect(slices.Values([]int{2, 3}))

     

       200
       +
       

     

       201
       +
       	if !s1.IsDisjoint(s2) {

     

       202
       +
       		t.Error("s1 and s2 should be disjoint")

     

       203
       +
       	}

     

       204
       +
       	if s1.IsDisjoint(s3) {

     

       205
       +
       		t.Error("s1 and s3 should not be disjoint")

     

       206
       +
       	}

     

       207
       +
       }

     

       208
       +
       

     

       209
       +
       func TestEqual(t *testing.T) {

     

       210
       +
       	s1 := Collect(slices.Values([]int{1, 2, 3}))

     

       211
       +
       	s2 := Collect(slices.Values([]int{3, 2, 1}))

     

       212
       +
       	s3 := Collect(slices.Values([]int{1, 2}))

     

       213
       +
       

     

       214
       +
       	if !s1.Equal(s2) {

     

       215
       +
       		t.Error("s1 and s2 should be equal")

     

       216
       +
       	}

     

       217
       +
       	if s1.Equal(s3) {

     

       218
       +
       		t.Error("s1 and s3 should not be equal")

     

       219
       +
       	}

     

       220
       +
       }

     

       221
       +
       

     

       222
       +
       func TestCollect(t *testing.T) {

     

       223
       +
       	s1 := Collect(slices.Values([]int{1, 2}))

     

       224
       +
       	s2 := Collect(slices.Values([]int{2, 3}))

     

       225
       +
       

     

       226
       +
       	unionSet := Collect(s1.Union(s2))

     

       227
       +
       	if unionSet.Len() != 3 {

     

       228
       +
       		t.Errorf("Expected union set length 3, got %d", unionSet.Len())

     

       229
       +
       	}

     

       230
       +
       	if !unionSet.Contains(1) || !unionSet.Contains(2) || !unionSet.Contains(3) {

     

       231
       +
       		t.Error("Union set should contain 1, 2, and 3")

     

       232
       +
       	}

     

       233
       +
       

     

       234
       +
       	diffSet := Collect(s1.Difference(s2))

     

       235
       +
       	if diffSet.Len() != 1 {

     

       236
       +
       		t.Errorf("Expected difference set length 1, got %d", diffSet.Len())

     

       237
       +
       	}

     

       238
       +
       	if !diffSet.Contains(1) {

     

       239
       +
       		t.Error("Difference set should contain 1")

     

       240
       +
       	}

     

       241
       +
       }

     

       242
       +
       

     

       243
       +
       func TestPropertySingleonLen(t *testing.T) {

     

       244
       +
       	f := func(item int) bool {

     

       245
       +
       		single := Singleton(item)

     

       246
       +
       		return single.Len() == 1

     

       247
       +
       	}

     

       248
       +
       

     

       249
       +
       	if err := quick.Check(f, nil); err != nil {

     

       250
       +
       		t.Error(err)

     

       251
       +
       	}

     

       252
       +
       }

     

       253
       +
       

     

       254
       +
       func TestPropertyInsertIdempotent(t *testing.T) {

     

       255
       +
       	f := func(s Set[int], item int) bool {

     

       256
       +
       		clone := s.Clone()

     

       257
       +
       

     

       258
       +
       		clone.Insert(item)

     

       259
       +
       		firstLen := clone.Len()

     

       260
       +
       

     

       261
       +
       		clone.Insert(item)

     

       262
       +
       		secondLen := clone.Len()

     

       263
       +
       

     

       264
       +
       		return firstLen == secondLen

     

       265
       +
       	}

     

       266
       +
       

     

       267
       +
       	if err := quick.Check(f, nil); err != nil {

     

       268
       +
       		t.Error(err)

     

       269
       +
       	}

     

       270
       +
       }

     

       271
       +
       

     

       272
       +
       func TestPropertyUnionCommutative(t *testing.T) {

     

       273
       +
       	f := func(s1 Set[int], s2 Set[int]) bool {

     

       274
       +
       		union1 := Collect(s1.Union(s2))

     

       275
       +
       		union2 := Collect(s2.Union(s1))

     

       276
       +
       		return union1.Equal(union2)

     

       277
       +
       	}

     

       278
       +
       

     

       279
       +
       	if err := quick.Check(f, nil); err != nil {

     

       280
       +
       		t.Error(err)

     

       281
       +
       	}

     

       282
       +
       }

     

       283
       +
       

     

       284
       +
       func TestPropertyIntersectionCommutative(t *testing.T) {

     

       285
       +
       	f := func(s1 Set[int], s2 Set[int]) bool {

     

       286
       +
       		inter1 := Collect(s1.Intersection(s2))

     

       287
       +
       		inter2 := Collect(s2.Intersection(s1))

     

       288
       +
       		return inter1.Equal(inter2)

     

       289
       +
       	}

     

       290
       +
       

     

       291
       +
       	if err := quick.Check(f, nil); err != nil {

     

       292
       +
       		t.Error(err)

     

       293
       +
       	}

     

       294
       +
       }

     

       295
       +
       

     

       296
       +
       func TestPropertyCloneEquals(t *testing.T) {

     

       297
       +
       	f := func(s Set[int]) bool {

     

       298
       +
       		clone := s.Clone()

     

       299
       +
       		return s.Equal(clone)

     

       300
       +
       	}

     

       301
       +
       

     

       302
       +
       	if err := quick.Check(f, nil); err != nil {

     

       303
       +
       		t.Error(err)

     

       304
       +
       	}

     

       305
       +
       }

     

       306
       +
       

     

       307
       +
       func TestPropertyIntersectionIsSubset(t *testing.T) {

     

       308
       +
       	f := func(s1 Set[int], s2 Set[int]) bool {

     

       309
       +
       		inter := Collect(s1.Intersection(s2))

     

       310
       +
       		return inter.IsSubset(s1) && inter.IsSubset(s2)

     

       311
       +
       	}

     

       312
       +
       

     

       313
       +
       	if err := quick.Check(f, nil); err != nil {

     

       314
       +
       		t.Error(err)

     

       315
       +
       	}

     

       316
       +
       }

     

       317
       +
       

     

       318
       +
       func TestPropertyUnionIsSuperset(t *testing.T) {

     

       319
       +
       	f := func(s1 Set[int], s2 Set[int]) bool {

     

       320
       +
       		union := Collect(s1.Union(s2))

     

       321
       +
       		return union.IsSuperset(s1) && union.IsSuperset(s2)

     

       322
       +
       	}

     

       323
       +
       

     

       324
       +
       	if err := quick.Check(f, nil); err != nil {

     

       325
       +
       		t.Error(err)

     

       326
       +
       	}

     

       327
       +
       }

     

       328
       +
       

     

       329
       +
       func TestPropertyDifferenceDisjoint(t *testing.T) {

     

       330
       +
       	f := func(s1 Set[int], s2 Set[int]) bool {

     

       331
       +
       		diff := Collect(s1.Difference(s2))

     

       332
       +
       		return diff.IsDisjoint(s2)

     

       333
       +
       	}

     

       334
       +
       

     

       335
       +
       	if err := quick.Check(f, nil); err != nil {

     

       336
       +
       		t.Error(err)

     

       337
       +
       	}

     

       338
       +
       }

     

       339
       +
       

     

       340
       +
       func TestPropertySymmetricDifferenceCommutative(t *testing.T) {

     

       341
       +
       	f := func(s1 Set[int], s2 Set[int]) bool {

     

       342
       +
       		symDiff1 := Collect(s1.SymmetricDifference(s2))

     

       343
       +
       		symDiff2 := Collect(s2.SymmetricDifference(s1))

     

       344
       +
       		return symDiff1.Equal(symDiff2)

     

       345
       +
       	}

     

       346
       +
       

     

       347
       +
       	if err := quick.Check(f, nil); err != nil {

     

       348
       +
       		t.Error(err)

     

       349
       +
       	}

     

       350
       +
       }

     

       351
       +
       

     

       352
       +
       func TestPropertyRemoveWorks(t *testing.T) {

     

       353
       +
       	f := func(s Set[int], item int) bool {

     

       354
       +
       		clone := s.Clone()

     

       355
       +
       		clone.Insert(item)

     

       356
       +
       		clone.Remove(item)

     

       357
       +
       		return !clone.Contains(item)

     

       358
       +
       	}

     

       359
       +
       

     

       360
       +
       	if err := quick.Check(f, nil); err != nil {

     

       361
       +
       		t.Error(err)

     

       362
       +
       	}

     

       363
       +
       }

     

       364
       +
       

     

       365
       +
       func TestPropertyClearEmpty(t *testing.T) {

     

       366
       +
       	f := func(s Set[int]) bool {

     

       367
       +
       		s.Clear()

     

       368
       +
       		return s.IsEmpty() && s.Len() == 0

     

       369
       +
       	}

     

       370
       +
       

     

       371
       +
       	if err := quick.Check(f, nil); err != nil {

     

       372
       +
       		t.Error(err)

     

       373
       +
       	}

     

       374
       +
       }

     

       375
       +
       

     

       376
       +
       func TestPropertyIsSubsetReflexive(t *testing.T) {

     

       377
       +
       	f := func(s Set[int]) bool {

     

       378
       +
       		return s.IsSubset(s)

     

       379
       +
       	}

     

       380
       +
       

     

       381
       +
       	if err := quick.Check(f, nil); err != nil {

     

       382
       +
       		t.Error(err)

     

       383
       +
       	}

     

       384
       +
       }

     

       385
       +
       

     

       386
       +
       func TestPropertyDeMorganUnion(t *testing.T) {

     

       387
       +
       	f := func(s1 Set[int], s2 Set[int], universe Set[int]) bool {

     

       388
       +
       		// create a universe that contains both sets

     

       389
       +
       		u := universe.Clone()

     

       390
       +
       		for item := range s1.All() {

     

       391
       +
       			u.Insert(item)

     

       392
       +
       		}

     

       393
       +
       		for item := range s2.All() {

     

       394
       +
       			u.Insert(item)

     

       395
       +
       		}

     

       396
       +
       

     

       397
       +
       		// (A u B)' = A' n B'

     

       398
       +
       		union := Collect(s1.Union(s2))

     

       399
       +
       		complementUnion := Collect(u.Difference(union))

     

       400
       +
       

     

       401
       +
       		complementS1 := Collect(u.Difference(s1))

     

       402
       +
       		complementS2 := Collect(u.Difference(s2))

     

       403
       +
       		intersectionComplements := Collect(complementS1.Intersection(complementS2))

     

       404
       +
       

     

       405
       +
       		return complementUnion.Equal(intersectionComplements)

     

       406
       +
       	}

     

       407
       +
       

     

       408
       +
       	if err := quick.Check(f, nil); err != nil {

     

       409
       +
       		t.Error(err)

     

       410
       +
       	}

     

       411
       +
       }