Befator-Inc-Firmen-Netzwerk/nix
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4 Commits

Author SHA1 Message Date
Eelco Dolstra
f216c76c56 Bindings::get(): Add convenience method 
This allows writing attribute lookups as

    if (auto name = value.attrs->get(state.sName))
      ...
 2019-02-11 11:55:35 +01:00
Tuomas Tynkkynen
056d28a601 libexpr: Don't create lots of temporary strings in Bindings::lexicographicOrder 
Avoids ~180,000 string temporaries created when evaluating a headless
NixOS system.
 2018-02-19 22:47:25 +02:00
Eelco Dolstra
54801ed6ad Bindings: Add a method for iterating in lexicographically sorted order 2017-01-26 20:40:33 +01:00
Nicolas B. Pierron
db21cfa688 Move attribute set data structures into their own header file. 
This modification moves Attr and Bindings structures into their own header
file which is dedicated to the attribute set representation. The goal of to
isolate pieces of code which are related to the attribute set
representation. Thus future modifications of the attribute set
representation will only have to modify these files, and not every other
file across the evaluator.
 2015-07-14 19:23:17 +02:00