···

       
91
       
91
       
 
       
    */

     

       
92
       
92
       
 
       
  toYAML = {}@args: toJSON args;

     

       
93
       
93
       
 
       


     

       
94
       
94
       
-
       
  # TODO we need some kind of pattern matching sometimes

     

       
95
       
94
       
 
       
  /* Pretty print a value, akin to `builtins.trace`.

     

       
96
       
95
       
 
       
    * Should probably be a builtin as well.

     

       
97
       
96
       
 
       
    */

     
···

       
105
       
104
       
 
       
    else if isBool     v then (if v == true then "true" else "false")

     

       
106
       
105
       
 
       
    else if isString   v then "\"" + v + "\""

     

       
107
       
106
       
 
       
    else if null ==    v then "null"

     

       
108
       
108
       
-
       
    else if isFunction v then "<λ>"

     

       
107
       
107
       
+
       
    else if isFunction v then

     

       
108
       
108
       
+
       
      let fna = functionArgs v;

     

       
109
       
109
       
+
       
          showFnas = concatStringsSep "," (libAttr.mapAttrsToList

     

       
110
       
110
       
+
       
                       (name: hasDefVal: if hasDefVal then "(${name})" else name)

     

       
111
       
111
       
+
       
                       fna);

     

       
112
       
112
       
+
       
      in if fna == {}    then "<λ>"

     

       
113
       
113
       
+
       
                         else "<λ:{${showFnas}}>"

     

       
109
       
114
       
 
       
    else if isList     v then "[ "

     

       
110
       
115
       
 
       
        + libStr.concatMapStringsSep " " (toPretty args) v

     

       
111
       
116
       
 
       
      + " ]"

     

···

       
292
       
292
       
 
       
      string = "fnord";

     

       
293
       
293
       
 
       
      null_ = null;

     

       
294
       
294
       
 
       
      function = x: x;

     

       
295
       
295
       
+
       
      functionArgs = { arg ? 4, foo }: arg;

     

       
295
       
296
       
 
       
      list = [ 3 4 function [ false ] ];

     

       
296
       
297
       
 
       
      attrs = { foo = null; "foo bar" = "baz"; };

     

       
297
       
298
       
 
       
      drv = derivation { name = "test"; system = builtins.currentSystem; };

     
···

       
302
       
303
       
 
       
      string = "\"fnord\"";

     

       
303
       
304
       
 
       
      null_ = "null";

     

       
304
       
305
       
 
       
      function = "<λ>";

     

       
306
       
306
       
+
       
      functionArgs = "<λ:{(arg),foo}>";

     

       
305
       
307
       
 
       
      list = "[ 3 4 ${function} [ false ] ]";

     

       
306
       
308
       
 
       
      attrs = "{ \"foo\" = null; \"foo bar\" = \"baz\"; }";

     

       
307
       
309
       
 
       
      drv = "<δ>";