http://d.puremagic.com/issues/show_bug.cgi?id=3378
Summary: [tdpl] ++x should be an lvalue
Product: D
Version: unspecified
Platform: Other
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Andrei Alexandrescu <[email protected]> 2009-10-08
14:12:33 PDT ---
This doesn't compile:
ref int bump(ref int x) { return ++x; }
The error message reveals two other issues:
Error: x += 1 is not an lvalue
1. The increment is rewritten as x += 1, but it shouldn't as it's a
fundamentally different operation
2. x += 1 is not a value itself. Indeed this doesn't compile either:
ref int bump(ref int x) { return x += 1; }
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