http://d.puremagic.com/issues/show_bug.cgi?id=2802
Summary: opCmp(VariantN, T) fails where T != VariantN Product: D Version: 2.027 Platform: PC OS/Version: Windows Status: NEW Severity: normal Priority: P2 Component: Phobos AssignedTo: bugzi...@digitalmars.com ReportedBy: dsim...@yahoo.com import std.stdio, std.variant; void main() { auto v = Variant(1); writeln(v < 1); } Results: E:\dmd\windows\bin\..\..\src\phobos\std\variant.d|634|Error: no property 'type' for type 'int'| E:\dmd\windows\bin\..\..\src\phobos\std\variant.d|634|Error: constructor std.variant.VariantException.this (immutable(char)[] s) does not match parameter types (TypeInfo,int)| E:\dmd\windows\bin\..\..\src\phobos\std\variant.d|634|Error: cannot implicitly convert expression (1) of type int to object.TypeInfo| E:\dmd\windows\bin\..\..\src\phobos\std\variant.d|634|Error: cannot cast int to object.TypeInfo| E:\dmd\windows\bin\..\..\src\phobos\std\variant.d|5|Error: template instance std.variant.VariantN!(maxSize).VariantN.opCmp!(int) error instantiating| The problem is a really simple one-liner. Patch to follow. --