change PhantomData type for BuildHasherDefault

[rust.git] / library / core / src / hash / mod.rs

diff --git a/library/core/src/hash/mod.rs b/library/core/src/hash/mod.rs
index 3ff84cc9672eb757a3e85d74f2e30d82ce43d617..53de8b42c059f219b586be1a9a6daf0a906db6c5 100644 (file)
--- a/library/core/src/hash/mod.rs
+++ b/library/core/src/hash/mod.rs
@@ -602,7 +602,7 @@ fn hash_one<T: Hash>(&self, x: T) -> u64
 /// [`HashSet`]: ../../std/collections/struct.HashSet.html
 /// [zero-sized]: https://doc.rust-lang.org/nomicon/exotic-sizes.html#zero-sized-types-zsts
 #[stable(since = "1.7.0", feature = "build_hasher")]
-pub struct BuildHasherDefault<H>(marker::PhantomData<H>);
+pub struct BuildHasherDefault<H>(marker::PhantomData<fn() -> H>);
 
 #[stable(since = "1.9.0", feature = "core_impl_debug")]
 impl<H> fmt::Debug for BuildHasherDefault<H> {