diff options
Diffstat (limited to 'lib/types.nix')
-rw-r--r-- | lib/types.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/types.nix b/lib/types.nix index 88fc90d0597..a334db5c724 100644 --- a/lib/types.nix +++ b/lib/types.nix @@ -256,6 +256,10 @@ rec { functor = (defaultFunctor name) // { wrapped = elemType; }; }; + nonEmptyListOf = elemType: + let list = addCheck (types.listOf elemType) (l: l != []); + in list // { description = "non-empty " + list.description; }; + attrsOf = elemType: mkOptionType rec { name = "attrsOf"; description = "attribute set of ${elemType.description}s"; |