From: Pierre-Emmanuel Patry <[email protected]>
gcc/rust/ChangeLog:
* ast/rust-ast.h: Add hash function.
Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
---
gcc/rust/ast/rust-ast.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/gcc/rust/ast/rust-ast.h b/gcc/rust/ast/rust-ast.h
index 94585dc1344..aa6ad5066aa 100644
--- a/gcc/rust/ast/rust-ast.h
+++ b/gcc/rust/ast/rust-ast.h
@@ -2102,6 +2102,19 @@ template <> struct less<Rust::Identifier>
return lhs.as_string () < rhs.as_string ();
}
};
+
+template <> struct hash<Rust::Identifier>
+{
+ std::size_t operator() (const Rust::Identifier &k) const
+ {
+ using std::hash;
+ using std::size_t;
+ using std::string;
+
+ return hash<string> () (k.as_string ()) ^ (hash<int> () (k.get_locus ()));
+ }
+};
+
} // namespace std
#endif
--
2.49.0
