[Issue 9580] New: std.variant.Algebraic with Tuple format problem
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sat Feb 23 17:34:26 PST 2013
http://d.puremagic.com/issues/show_bug.cgi?id=9580
Summary: std.variant.Algebraic with Tuple format problem
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Keywords: rejects-valid
Severity: normal
Priority: P2
Component: Phobos
AssignedTo: nobody at puremagic.com
ReportedBy: bearophile_hugs at eml.cc
--- Comment #0 from bearophile_hugs at eml.cc 2013-02-23 17:34:24 PST ---
import std.variant: Algebraic, This;
import std.typecons: Tuple;
alias Foo = Algebraic!(int, Tuple!(This[]));
void main() {
auto f = Foo(0);
}
DMD 2.063alpha gives:
...\dmd2\src\phobos\std\format.d(1821): Error: static assert
(isInputRange!(This[])) is false
...\dmd2\src\phobos\std\format.d(2279): instantiated from here:
formatValue!(Appender!(string), This[], char)
...\dmd2\src\phobos\std\typecons.d(551): instantiated from here:
formatElement!(Appender!(string), This[], char)
temp.d(3): instantiated from here: Tuple!(This[])
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