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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2014-10-05 00:03:52 +0200 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2014-10-05 01:11:06 +0200 |
commit | 97220c973fdc6d3cfa02fe597c4301e87177603c (patch) | |
tree | c208a98c5a45a9700b8c56775e69542ef7fba44f /lib/customisation.nix | |
parent | 0e120dc68f7de02ccb22df27fd15835fc6d082a4 (diff) |
Replace hasAttr/getAttr calls with the ? and . operators
For NixOS evaluation, this gives a ~21% reduction in the number of
values allocated and a ~4% speedup. It's also more readable.
Diffstat (limited to 'lib/customisation.nix')
-rw-r--r-- | lib/customisation.nix | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/customisation.nix b/lib/customisation.nix index bfa61169efb..90a0c65058d 100644 --- a/lib/customisation.nix +++ b/lib/customisation.nix @@ -1,6 +1,6 @@ -let lib = import ./default.nix; - inherit (builtins) getAttr attrNames isFunction; - +let + lib = import ./default.nix; + inherit (builtins) attrNames isFunction; in rec { @@ -107,10 +107,10 @@ rec { outputToAttrListElement = outputName: { name = outputName; value = commonAttrs // { - inherit (builtins.getAttr outputName drv) outPath drvPath type outputName; + inherit (drv.${outputName}) outPath drvPath type outputName; }; }; outputsList = map outputToAttrListElement outputs; - in builtins.getAttr drv.outputName commonAttrs; + in commonAttrs.${drv.outputName}; } |