diff options
Diffstat (limited to 'lib/trivial.nix')
| -rw-r--r-- | lib/trivial.nix | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/trivial.nix b/lib/trivial.nix index a0c31757ba7a..acf1ccab8798 100644 --- a/lib/trivial.nix +++ b/lib/trivial.nix @@ -69,9 +69,13 @@ rec { # # nix-repl> obj # { __unfix__ = «lambda»; bar = "bar"; extend = «lambda»; foo = "foo + "; foobar = "foo + bar"; } - makeExtensible = rattrs: + makeExtensible = makeExtensibleWithCustomName "extend"; + + # Same as `makeExtensible` but the name of the extending attribute is + # customized. + makeExtensibleWithCustomName = extenderName: rattrs: fix' rattrs // { - extend = f: makeExtensible (extends f rattrs); + ${extenderName} = f: makeExtensibleWithCustomName extenderName (extends f rattrs); }; # Flip the order of the arguments of a binary function. |