[Issue 11401] New: ElementType returns constructor instead of type

d-bugmail at puremagic.com d-bugmail at puremagic.com
Thu Oct 31 09:42:09 PDT 2013


http://d.puremagic.com/issues/show_bug.cgi?id=11401

           Summary: ElementType returns constructor instead of type
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: regression
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: jcrapuchettes at gmail.com


--- Comment #0 from Jonathan Crapuchettes <jcrapuchettes at gmail.com> 2013-10-31 09:42:06 PDT ---
Using latest git HEAD, the following code produces an error where 2.063.2 does
not. It appears to be a problem with either std.range.ElementType or
std.traits.lvalueOf.

Code
---
import std.range;

void main()
{
    alias ElementType!RowRange E;
    static assert(is(typeof(E.id)), E.stringof~" is expected to have a 'id'
member");
}

struct RowRange
{
    BasicNode front()
    {
        return BasicNode.init;
    }
}

struct BasicNode { ushort id; }

Output
---
$ ~/dmd-git/build/bin/dmd serialize.d
test.d(6): Error: static assert  "BasicNode() is expected to have a 'id'
member"

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