guix/tests/lang/eval-fail-substring.nix
Eelco Dolstra 7349bd0176 New primitives:
* `sub' to subtract two numbers.
* `stringLength' to get the length of a string.
* `substring' to get a substring of a string.  These should be enough
  to allow most string operations to be expressed.
2007-01-29 14:23:09 +00:00

2 lines
44 B
Nix

builtins.substring (builtins.sub 0 1) 1 "x"