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move(): Give compiler an opportunity to optimize

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Fix #75.
This commit is contained in:
Eugen Wissner 2019-02-01 06:33:41 +01:00
parent c1535e8752
commit 7af5c30820
2 changed files with 13 additions and 6 deletions
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9
source/tanya/algorithm/mutation.d
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@ -5,7 +5,7 @@
/**
* Algorithms that modify its arguments.
*
* Copyright: Eugene Wissner 2017-2018.
* Copyright: Eugene Wissner 2017-2019.
* License: $(LINK2 https://www.mozilla.org/en-US/MPL/2.0/,
* Mozilla Public License, v. 2.0).
* Authors: $(LINK2 mailto:info@caraus.de, Eugene Wissner)
@ -222,11 +222,18 @@ void move(T)(ref T source, ref T target)
/// ditto
T move(T)(ref T source) @trusted
{
static if (hasElaborateCopyConstructor!T || hasElaborateDestructor!T)
{
T target = void;
moveEmplace(source, target);
return target;
}
else
{
return source;
}
}
///
@nogc nothrow pure @safe unittest

4
source/tanya/typecons.d
View File

@ -660,7 +660,7 @@ if (isTypeTuple!Specs && NoDuplicates!Specs.length == Specs.length)
}
/**
* Tells whether this $(D_PSYMBOL Variant) was initialized.
* Tells whether this $(D_PSYMBOL Variant) is initialized.
*
* Returns: $(D_KEYWORD true) if this $(D_PSYMBOL Variant) contains a
* value, $(D_KEYWORD false) otherwise.
@ -765,7 +765,7 @@ if (isTypeTuple!Specs && NoDuplicates!Specs.length == Specs.length)
/**
* Returns $(D_PSYMBOL TypeInfo) corresponding to the current type.
*
* If this $(D_PSYMBOL Variant) isn't initialized, return
* If this $(D_PSYMBOL Variant) isn't initialized, returns
* $(D_KEYWORD null).
*
* Returns: $(D_PSYMBOL TypeInfo) of the current type.