guix/tests/lang/eval-okay-context.nix
Eelco Dolstra 7d0f6aed59 * New primop `unsafeDiscardStringContext' to get rid of string
contexts.  Needed to prevent unnecessary dependencies when building
  the NixOS manual.
2008-01-04 14:22:49 +00:00

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Nix

let s = "foo ${builtins.substring 33 100 (baseNameOf ./eval-okay-context.nix)} bar";
in
if s == "foo eval-okay-context.nix bar"
then abort "context not discarded"
else builtins.unsafeDiscardStringContext s