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Merge remote-tracking branch 'n8sh/relax-hasher-reqs'

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Eugen Wissner 2018-08-12 06:17:12 +02:00
commit 4653e94fa1
1 changed files with 7 additions and 1 deletions
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8
source/tanya/container/set.d
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@ -154,7 +154,7 @@ struct Range(T)
* hasher = Hash function for $(D_PARAM T). * hasher = Hash function for $(D_PARAM T).
*/ */
struct Set(T, alias hasher = hash) 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 HashArray = .HashArray!(hasher, T);
private alias Buckets = HashArray.Buckets; private alias Buckets = HashArray.Buckets;
@ -767,3 +767,9 @@ if (is(typeof(hasher(T.init)) == size_t))
} }
testFunc(set); testFunc(set);
} }
@nogc nothrow pure @safe unittest
{
// Using hasher that takes argument by ref.
Set!(int, (const ref x) => cast(size_t)x) set;
}