[Issue 12486] New: Function returning struct isn't called if `enum` of its result is accessed
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Fri Mar 28 05:39:49 PDT 2014
https://d.puremagic.com/issues/show_bug.cgi?id=12486
Summary: Function returning struct isn't called if `enum` of
its result is accessed
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Keywords: wrong-code
Severity: major
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: verylonglogin.reg at gmail.com
--- Comment #0 from Denis Shelomovskij <verylonglogin.reg at gmail.com> 2014-03-28 16:39:45 MSK ---
This code should run fine:
---
struct S { enum a = 1; } // or `const` but not for all types
S f(ref int i)
{
++i;
return S();
}
void main()
{
int i = 2;
assert(f(i).a == 1);
assert(i == 3); // fails, i = 2
}
---
This affects infinite ranges processing e.g. `canFind(repeat(1), 2)` always
returns `true` instead of infinite looping.
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