[Issue 17804] Accessing `enum' or `static' member allocates gc closure
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sat Mar 16 21:34:03 UTC 2019
https://issues.dlang.org/show_bug.cgi?id=17804
asumface at gmail.com changed:
What |Removed |Added
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CC| |asumface at gmail.com
--- Comment #1 from asumface at gmail.com ---
To add to this, consider the following code:
import std.algorithm;
struct Foo
{
static int fun(int n)
{
return n + 1;
}
}
void main()
{
int[10] arr;
Foo foo;
arr[].map!(n => foo.fun(n));
}
the line
arr[].map!(n => foo.fun(n));
causes GC allocation, whereas the same line with foo replaced with its type
arr[].map!(n => Foo.fun(n));
does not. This is despite the functionality being absolutely identical as fun
has no dependency on 'this' whatsoever due to being a static member.
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