[Issue 8439] New: typeid fail to resolve symbol properly
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Wed Jul 25 11:44:52 PDT 2012
http://d.puremagic.com/issues/show_bug.cgi?id=8439
Summary: typeid fail to resolve symbol properly
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: deadalnix at gmail.com
--- Comment #0 from deadalnix <deadalnix at gmail.com> 2012-07-25 11:44:50 PDT ---
To trigger the bug, I need 2 modules :
module a;
class Type {
}
// TODO: allow type change only for ambiguous types.
class Expression {
Type type;
}
*********************************************************
module b;
auto dispatch(
alias unhandled = function typeof(null)(t){
throw new Exception(t.toString);
}, V, T
)(V visitor, ref T t) {
return unhandled(t);
}
import a;
Expression buildCast(bool isExplicit )(Type type, Expression e) {
auto tid = typeid(e.type);
// dito
class CastFrom {
Expression visit(Type t) {
return this.dispatch(t);
}
}
return (new CastFrom()).visit(type);
}
alias buildCast!false buildImplicitCast;
I got the following errors :
Error: need 'this' to access member type
removing the typeid solve the issue. Remplacing it by auto tid = typeid({
return e.type; }()); do solve it too.
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