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author | Alyssa Ross <hi@alyssa.is> | 2021-02-16 18:32:21 +0000 |
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committer | Alyssa Ross <hi@alyssa.is> | 2021-02-16 18:32:21 +0000 |
commit | 9becdcc5df71b47a5da84ad670e9a7eae9e0c65a (patch) | |
tree | 2ddf0335eb393f89501e3753b50c3f7ab0552d12 /nixpkgs/lib/types.nix | |
parent | 49f2a77ac9abc88c253f68952eda26557fc3b555 (diff) | |
parent | ff96a0fa5635770390b184ae74debea75c3fd534 (diff) | |
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nixpkgs: merge nixos-unstable
Diffstat (limited to 'nixpkgs/lib/types.nix')
-rw-r--r-- | nixpkgs/lib/types.nix | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/nixpkgs/lib/types.nix b/nixpkgs/lib/types.nix index ee891f8231b6..d0a8e96149d7 100644 --- a/nixpkgs/lib/types.nix +++ b/nixpkgs/lib/types.nix @@ -453,6 +453,17 @@ rec { functor = (defaultFunctor name) // { wrapped = elemType; }; }; + functionTo = elemType: mkOptionType { + name = "functionTo"; + description = "function that evaluates to a(n) ${elemType.name}"; + check = isFunction; + merge = loc: defs: + fnArgs: (mergeDefinitions (loc ++ [ "[function body]" ]) elemType (map (fn: { inherit (fn) file; value = fn.value fnArgs; }) defs)).mergedValue; + getSubOptions = elemType.getSubOptions; + getSubModules = elemType.getSubModules; + substSubModules = m: functionTo (elemType.substSubModules m); + }; + # A submodule (like typed attribute set). See NixOS manual. submodule = modules: submoduleWith { shorthandOnlyDefinesConfig = true; |