postfix: add brittle support for mailForwardingAddress.

[sourcephile-nix.git] / install / overlays / lib / strings.nix

self: super:
let lib = super.lib; in
{
  lib = (super.lib or {}) // rec {
    unlines = lib.concatStringsSep "\n";
    unlinesAttrs = f: as: unlines (lib.mapAttrsToList f as);
    unlinesValues = as: unlines (builtins.attrValues as);
  };
}