diff options
| author | Silvan Mosberger <contact@infinisil.com> | 2021-12-02 17:46:44 +0100 |
|---|---|---|
| committer | Silvan Mosberger <contact@infinisil.com> | 2021-12-02 21:54:51 +0100 |
| commit | 90700736c7744b97ab69a4fadcd56fa242ec617f (patch) | |
| tree | fe1915e61e4d367dd393fc4c45021c9fcf7ac226 /src/libexpr/value.hh | |
| parent | 2ff71b021379a2c9bbdcb789a93cdc585b3520ca (diff) | |
Introduce builtins.groupBy primop
This function is very useful in nixpkgs, but its implementation in Nix
itself is rather slow due to it requiring a lot of attribute set and
list appends.
Diffstat (limited to 'src/libexpr/value.hh')
| -rw-r--r-- | src/libexpr/value.hh | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libexpr/value.hh b/src/libexpr/value.hh index 4b43e47ae..6b4f3c0ae 100644 --- a/src/libexpr/value.hh +++ b/src/libexpr/value.hh @@ -425,9 +425,11 @@ void mkPath(Value & v, const char * s); #if HAVE_BOEHMGC typedef std::vector<Value *, traceable_allocator<Value *> > ValueVector; typedef std::map<Symbol, Value *, std::less<Symbol>, traceable_allocator<std::pair<const Symbol, Value *> > > ValueMap; +typedef std::map<Symbol, ValueVector, std::less<Symbol>, traceable_allocator<std::pair<const Symbol, ValueVector> > > ValueVectorMap; #else typedef std::vector<Value *> ValueVector; typedef std::map<Symbol, Value *> ValueMap; +typedef std::map<Symbol, ValueVector> ValueVectorMap; #endif |