Add stable_hash.

2022-09-26 23:45:50 +08:00
parent 3a3653f42a
commit 20d4b71591
3 changed files with 11 additions and 1 deletions
--- a/src/func/hashing.rs
+++ b/src/func/hashing.rs
@@ -74,7 +74,11 @@ impl BuildHasher for StraightHasherBuilder {
 #[inline(always)]
 #[must_use]
 pub fn get_hasher() -> ahash::AHasher {
-    ahash::AHasher::default()
+    if cfg!(feature = "stable_hash") {
+        ahash::RandomState::with_seeds(42, 999, 123, 0).build_hasher()
+    } else {
+        ahash::AHasher::default()
+    }
 }

 /// Calculate a non-zero [`u64`] hash key from a namespace-qualified variable name.