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libexpr: Make emptyBindings a global constant

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This object is always constant and will never get modified.
Having it as a global (constant) static is much easier and
unclutters the EvalState.

Same idea as in f017f9ddd3.

Co-authored-by: eldritch horrors <pennae@lix.systems>
This commit is contained in:
Sergei Zimmerman 2025-09-11 01:51:48 +03:00
parent c0fd9146d6
commit 4df1a3ca76
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9 changed files with 16 additions and 11 deletions
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src/libexpr/eval.cc
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@ -202,7 +202,6 @@ EvalState::EvalState(
, settings{settings}
, symbols(StaticEvalSymbols::staticSymbolTable())
, repair(NoRepair)
, emptyBindings(Bindings())
, storeFS(makeMountedSourceAccessor({
{CanonPath::root, makeEmptySourceAccessor()},
/* In the pure eval case, we can simply require