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Added toHash to Vector #78

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Added toHash to Vector #78

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14 changes: 14 additions & 0 deletions gl3n/linalg.d
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Original file line number Diff line number Diff line change
Expand Up @@ -668,6 +668,20 @@ struct Vector(type, int dimension_) {
else { assert(false); }
}

size_t toHash() const nothrow @safe {
size_t h = 0;
foreach (v; vector) {
h = hashOf(v, h);
}
return h;
}

unittest {
assert(__traits(compiles, string[vec2]), "Unable to construct an associative array with a Vector as the key");
string[vec2] aa = [ vec2(1, 2): "test" ];
assert(aa[vec2(1, 2)] == "test");
}

}

/// Calculates the product between two vectors.
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