guix/tests/lang/eval-okay-substring.nix
2011-01-14 12:47:10 +00:00

21 lines
248 B
Nix

with builtins;
let
s = "foobar";
in
substring 1 2 s
+ "x"
+ substring 0 (stringLength s) s
+ "y"
+ substring 3 100 s
+ "z"
+ substring 2 (sub (stringLength s) 3) s
+ "a"
+ substring 3 0 s
+ "b"
+ substring 3 1 s
+ "c"
+ substring 5 10 "perl"