diff options
| -rw-r--r-- | source/tanya/container/set.d | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/tanya/container/set.d b/source/tanya/container/set.d index bd889a1..e5dc2d6 100644 --- a/source/tanya/container/set.d +++ b/source/tanya/container/set.d @@ -154,7 +154,7 @@ struct Range(T) * hasher = Hash function for $(D_PARAM T). */ struct Set(T, alias hasher = hash) -if (is(typeof(hasher(T.init)) == size_t)) +if (is(typeof(((T x) => hasher(x))(T.init)) == size_t)) { private alias HashArray = .HashArray!(hasher, T); private alias Buckets = HashArray.Buckets; @@ -767,3 +767,9 @@ if (is(typeof(hasher(T.init)) == size_t)) } testFunc(set); } + +@nogc nothrow pure @safe unittest +{ + // Using hasher that takes argument by ref. + Set!(int, (const ref x) => cast(size_t)x) set; +} |