···

       
510
       
510
       
 
       
  toUpper = replaceChars lowerChars upperChars;

     

       
511
       
511
       
 
       


     

       
512
       
512
       
 
       
  /* Appends string context from another string.  This is an implementation

     

       
513
       
513
       
-
       
     detail of Nix.

     

       
513
       
513
       
+
       
     detail of Nix and should be used carefully.

     

       
514
       
514
       
 
       


     

       
515
       
515
       
 
       
     Strings in Nix carry an invisible `context` which is a list of strings

     

       
516
       
516
       
 
       
     representing store paths.  If the string is later used in a derivation

     
···

       
533
       
533
       
 
       
       splitString "/" "/usr/local/bin"

     

       
534
       
534
       
 
       
       => [ "" "usr" "local" "bin" ]

     

       
535
       
535
       
 
       
  */

     

       
536
       
536
       
-
       
  splitString = _sep: _s:

     

       
536
       
536
       
+
       
  splitString = sep: s:

     

       
537
       
537
       
 
       
    let

     

       
538
       
538
       
-
       
      sep = builtins.unsafeDiscardStringContext _sep;

     

       
539
       
539
       
-
       
      s = builtins.unsafeDiscardStringContext _s;

     

       
540
       
540
       
-
       
      splits = builtins.filter builtins.isString (builtins.split (escapeRegex sep) s);

     

       
538
       
538
       
+
       
      splits = builtins.filter builtins.isString (builtins.split (escapeRegex (toString sep)) (toString s));

     

       
541
       
539
       
 
       
    in

     

       
542
       
542
       
-
       
      map (v: addContextFrom _sep (addContextFrom _s v)) splits;

     

       
540
       
540
       
+
       
      map (addContextFrom s) splits;

     

       
543
       
541
       
 
       


     

       
544
       
542
       
 
       
  /* Return a string without the specified prefix, if the prefix matches.

     

       
545
       
543