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| author | Michael Raskin <7c6f434c@mail.ru> | 2008-04-27 23:17:24 +0000 |
|---|---|---|
| committer | Michael Raskin <7c6f434c@mail.ru> | 2008-04-27 23:17:24 +0000 |
| commit | 55f4987f42adea646c476e1cc6e772f47284714b (patch) | |
| tree | 3b1ebce2377d0fc5975546cb5107877a2d32af71 /pkgs/lib | |
| parent | 10ca296d82ca4168af17f06096bc16fb0ad59540 (diff) | |
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Added optionalString (similar to optional)
svn path=/nixpkgs/trunk/; revision=11733
Diffstat (limited to 'pkgs/lib')
| -rw-r--r-- | pkgs/lib/default.nix | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/lib/default.nix b/pkgs/lib/default.nix index a99f09c80dfb..8093c67a6923 100644 --- a/pkgs/lib/default.nix +++ b/pkgs/lib/default.nix @@ -201,6 +201,7 @@ rec { # Return a list or an empty list, dependening on a boolean value. optionals = cond: elems: if cond then elems else []; + optionalString = cond: string: if cond then string else ""; # Return a list of integers from `first' up to and including `last'. range = first: last: |