https://d.puremagic.com/issues/show_bug.cgi?id=12262
Summary: regression(2.065): isTemplateInstantiation
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: regression
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Timothee Cour <[email protected]> 2014-02-25
23:09:20 PST ---
See below (CT error); is that related to issue 12261 ?
version(unittest){
struct A1(T){}
struct A2{}
template A3(T){
struct A{}
}
struct A4(alias fun,T...){}
}
template GetTemplateParent(T : TI!TP, alias TI, TP...)
{
alias GetTemplateParent = TI;
}
template GetTemplateParent(alias T : TI!TP, alias TI, TP...)
{
//TODO: how come this doesn't work with functions?
alias GetTemplateParent = TI;
}
template isTemplateInstantiation(T...) if(T.length==1)
{
enum isTemplateInstantiation=is(typeof(GetTemplateParent!T));
}
unittest
{
static assert(isTemplateInstantiation!(A1!double));
static assert(!isTemplateInstantiation!(A1));
static assert(!isTemplateInstantiation!(A2));
static assert(!isTemplateInstantiation!(A3));
static assert(isTemplateInstantiation!(A3!double));
static assert(!isTemplateInstantiation!(A3!double.A)); //CT error
static assert(!isTemplateInstantiation!(int));
}
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