diff options
author | Silvan Mosberger <infinisil@icloud.com> | 2018-09-17 23:28:47 +0200 |
---|---|---|
committer | Silvan Mosberger <infinisil@icloud.com> | 2018-09-17 23:28:47 +0200 |
commit | c7104d97c87316a6062c88696d80a45918fab7a6 (patch) | |
tree | 6d0db1108a4aa1b5213319767dfe1358ac285bde /lib/attrsets.nix | |
parent | afd86206210e468173ec0d2a0e135843d5ab2ee7 (diff) |
lib.overrideExisting: Better example
Diffstat (limited to 'lib/attrsets.nix')
-rw-r--r-- | lib/attrsets.nix | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/attrsets.nix b/lib/attrsets.nix index 9bac69af34f3..2a1b866dbc5e 100644 --- a/lib/attrsets.nix +++ b/lib/attrsets.nix @@ -435,9 +435,12 @@ rec { useful for deep-overriding. Example: - x = { a = { b = 4; c = 3; }; } - overrideExisting x { a = { b = 6; d = 2; }; } - => { a = { b = 6; d = 2; }; } + overrideExisting {} { a = 1; } + => {} + overrideExisting { b = 2; } { a = 1; } + => { b = 2; } + overrideExisting { a = 3; b = 2; } { a = 1; } + => { a = 1; b = 2; } */ overrideExisting = old: new: mapAttrs (name: value: new.${name} or value) old; |