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krebs types.haskell.{con,mod}id: init

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tv 2016-06-04 19:06:50 +02:00
parent 309d6f3102
commit ed56f41ddc
1 changed files with 13 additions and 0 deletions
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13
krebs/4lib/types.nix
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@ -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";