http://d.puremagic.com/issues/show_bug.cgi?id=9854
Summary: Cannot directly subtype a type tuple
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Keywords: rejects-valid
Severity: normal
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Andrej Mitrovic <[email protected]> 2013-04-01
23:54:21 PDT ---
struct Tuple(Types...)
{
// Error: Types is not a member of Tuple
alias Types this;
// ok: workaround
alias TypeTuple = Types;
alias TypeTuple this;
}
void main()
{
alias T = Tuple!int;
}
A light-weight implementation of a Tuple:
struct Tuple(Types...)
{
alias TypeTuple = Types;
alias TypeTuple this;
}
alias Tuple!
(
int
,Tuple!(float, string)
) list;
void main()
{
pragma(msg, list[0]);
pragma(msg, list[1]);
pragma(msg, list[1][0]);
pragma(msg, list[1][1]);
}
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