http://d.puremagic.com/issues/show_bug.cgi?id=8202
Summary: Templated function with multiple parameters fails to
compile with only one argument if type is not exact
Product: D
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Jonathan M Davis <[email protected]> 2012-06-06 00:58:39
PDT ---
This code
void func(T, R)(R range, T value)
{
}
void main()
{
ubyte[] buffer = [0, 1, 2];
buffer.func!ushort(915);
}
fails to compile, giving
q.d(8): Error: template q.func does not match any function template declaration
q.d(1): Error: template q.func(T,R) cannot deduce template function from
argument types !(ushort)(ubyte[],int)
q.d(8): Error: template instance func!(ushort) errors instantiating template
If I change the function call to either
buffer.func!(ushort, ubyte[])(915);
or
buffer.func!ushort(cast(ushort)915);
then it compiles. It will also compile if you change it to
void func(R, T)(R range, T value)
{
}
void main()
{
ubyte[] buffer = [0, 1, 2];
buffer.func!(ubyte[])(915);
}
But for some reason, the compiler cannot handle having just one of the two
template parameters given when the function argument associated with the given
template parameter is not an exact match.
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