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set: introduce basic set operations #1

merged

opened by

oppi.li 6 months ago targeting main from push-soqmukrvport

introduces New, Add, Remove and Size

Signed-off-by: oppiliappan me@oppi.li

options

unified split

Changed files

+20

set.go

+20

set.go

···

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       package hashset

     

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       type Set[T comparable] map[T]struct{}

     

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       // New creates and returns a new empty Set.

     

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

     

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       	return make(Set[T])

     

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       }

     

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       // Add inserts an element into the set.

     

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       func (s Set[T]) Add(value T) {

     

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       	s[value] = struct{}{}

     

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       }

     

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       // Remove deletes an element from the set.

     

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       func (s Set[T]) Remove(value T) {

     

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       	delete(s, value)

     

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       }

     

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       // Size returns the number of elements in the set.

     

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       func (s Set[T]) Size() int {

     

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       	return len(s)

     

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       }