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Replace is(Unqual!T == Unqual!U) with is(immutable T == immutable U) for speed & memory usage

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Nathan Sashihara 2020-08-02 09:54:29 -07:00 • committed by The Dlang Bot
parent a4d8029c48
commit 453faadf5b
31 changed files with 169 additions and 173 deletions
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3
std/algorithm/comparison.d
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@ -623,7 +623,8 @@ if (isInputRange!R1 && isInputRange!R2)
static if (isDynamicArray!R1 && isDynamicArray!R2
&& __traits(isUnsigned, E1) && __traits(isUnsigned, E2)
&& E1.sizeof == 1 && E2.sizeof == 1
&& (is(Unqual!E1 == char) == is(Unqual!E2 == char))) // Both or neither must auto-decode.
// Both or neither must auto-decode.
&& (is(immutable E1 == immutable char) == is(immutable E2 == immutable char)))
{
// dstrcmp algorithm is correct for both ubyte[] and for char[].
import core.internal.string : dstrcmp;