[Issue 5437] New: Problems with length of std.traits.EnumMembers
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sun Jan 9 04:12:53 PST 2011
http://d.puremagic.com/issues/show_bug.cgi?id=5437
Summary: Problems with length of std.traits.EnumMembers
Product: D
Version: D2
Platform: x86
OS/Version: Windows
Status: NEW
Keywords: rejects-valid
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: bearophile_hugs at eml.cc
--- Comment #0 from bearophile_hugs at eml.cc 2011-01-09 04:11:08 PST ---
A D2 program:
import std.traits: EnumMembers;
enum Foo { A, B }
void main() {
alias EnumMembers!Foo members; // OK
enum n1 = members.length; // OK
enum n2 = (EnumMembers!Foo).length; // line 6, Error
}
DMD 2.051 shows the error:
test.d(6): Error: EnumMembers!(Foo) is used as a type
------------------------
A similar program:
import std.traits: EnumMembers;
enum Foo { A, B }
void main() {
alias EnumMembers!Foo members;
enum n = members.length; // OK
int[n] data1; // OK
int[members.length] data2; // line 7, ERROR
}
DMD 2.051 shows the errors:
test.d(7): Error: identifier 'length' of 'members.length' is not defined
test.d(7): Error: index is not a type or an expression
I have add a "DMD" tag for the Component of this bug because I am not sure
about the cause.
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