diff options
Diffstat (limited to 'nix/tag/default.nix')
| -rw-r--r-- | nix/tag/default.nix | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/nix/tag/default.nix b/nix/tag/default.nix index 4fe589825848..23f369c2b2d1 100644 --- a/nix/tag/default.nix +++ b/nix/tag/default.nix @@ -24,6 +24,18 @@ let val = null; }; + # Returns the tag name of a given tag attribute set. + # Throws if the tag is invalid. + # + # Type: tag -> string + tagName = tag: (assertIsTag tag).name; + + # Returns the tagged value of a given tag attribute set. + # Throws if the tag is invalid. + # + # Type: tag -> any + tagValue = tag: (assertIsTag tag).val; + # like `verifyTag`, but throws the error message if it is not a tag. assertIsTag = tag: let res = verifyTag tag; in @@ -139,7 +151,8 @@ let in { inherit verifyTag - assertIsTag + tagName + tagValue discr discrDef match |