diff options
| -rw-r--r-- | krebs/4lib/types.nix | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/krebs/4lib/types.nix b/krebs/4lib/types.nix index 56d1d55c..66191d0b 100644 --- a/krebs/4lib/types.nix +++ b/krebs/4lib/types.nix @@ -286,6 +286,19 @@ types // rec { }; }; + haskell.conid = mkOptionType { + name = "Haskell constructor identifier"; + check = x: + isString x && match "[[:upper:]][[:lower:]_[:upper:]0-9']*" x != null; + merge = mergeOneOption; + }; + + haskell.modid = mkOptionType { + name = "Haskell module identifier"; + check = x: isString x && all haskell.conid.check (splitString "." x); + merge = mergeOneOption; + }; + # RFC952, B. Lexical grammar, <hname> hostname = mkOptionType { name = "hostname"; |