diff options
Diffstat (limited to 'tvix/eval/src/value/attrs.rs')
| -rw-r--r-- | tvix/eval/src/value/attrs.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tvix/eval/src/value/attrs.rs b/tvix/eval/src/value/attrs.rs index adf56567fb0d..a41e7ce58a12 100644 --- a/tvix/eval/src/value/attrs.rs +++ b/tvix/eval/src/value/attrs.rs @@ -173,6 +173,17 @@ impl NixAttrs { Self(AttrsRep::Empty) } + /// Compare two attribute sets by pointer equality. Only makes + /// sense for some attribute set reprsentations, i.e. returning + /// `false` does not mean that the two attribute sets do not have + /// equal *content*. + pub fn ptr_eq(&self, other: &Self) -> bool { + match (&self.0, &other.0) { + (AttrsRep::Im(lhs), AttrsRep::Im(rhs)) => lhs.ptr_eq(rhs), + _ => false, + } + } + /// Return an attribute set containing the merge of the two /// provided sets. Keys from the `other` set have precedence. pub fn update(self, other: Self) -> Self { |