nix-super/tests/lang/eval-fail-substring.nix at 5738b08233022b8cb74b1550ac0fe9d620ff52cd - max/nix-super - The Forge

max/nix-super

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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

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Nix

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