• Manfred Nowak (11/11) May 15 2015 The following gives:
• Timon Gehr (2/9) May 15 2015 https://issues.dlang.org/show_bug.cgi?id=8062
• Jonathan M Davis via Digitalmars-d-learn (5/16) May 15 2015 Overloaded operators have to be defined as part of the type that they're
• Manfred Nowak (3/4) May 16 2015 The docs say so. Thx.
• "Marc =?UTF-8?B?U2Now7x0eiI=?= <schuetzm gmx.net> (3/23) May 16 2015 Besides, UFCS doesn't work with local functions either;

Manfred Nowak <svv1999 hotmail.com> writes:

The following gives:
"Error: 'a += b' is not a scalar, it is a C"
although UFCS should engage.

-manfred

class C{}
int main(){
  void opOpAssign( string op)( C a, C b){
  }
  C a, b;
  a+= b;
}

Timon Gehr <timon.gehr gmx.ch> writes:

On 05/15/2015 11:31 PM, Manfred Nowak wrote:
 class C{}
 int main(){
    void opOpAssign( string op)( C a, C b){
    }
    C a, b;
    a+= b;
 }

https://issues.dlang.org/show_bug.cgi?id=8062

Jonathan M Davis via Digitalmars-d-learn writes:

On Friday, May 15, 2015 21:31:35 Manfred Nowak via Digitalmars-d-learn wrote:
 The following gives:
 "Error: 'a += b' is not a scalar, it is a C"
 although UFCS should engage.

 -manfred

 class C{}
 int main(){
   void opOpAssign( string op)( C a, C b){
   }
   C a, b;
   a+= b;
 }

Overloaded operators have to be defined as part of the type that they're
overloading the operator for, and UFCS is only ever used with the . syntax.
So, this isn't a bug.

- Jonathan M Davis

Manfred Nowak <svv1999 hotmail.com> writes:

Jonathan M Davis wrote:

 UFCS is only ever used with the . syntax

The docs say so. Thx.

-manfred

"Marc =?UTF-8?B?U2Now7x0eiI=?= <schuetzm gmx.net> writes:

On Saturday, 16 May 2015 at 05:56:26 UTC, Jonathan M Davis wrote:
 On Friday, May 15, 2015 21:31:35 Manfred Nowak via 
 Digitalmars-d-learn wrote:
 The following gives:
 "Error: 'a += b' is not a scalar, it is a C"
 although UFCS should engage.

 -manfred

 class C{}
 int main(){
   void opOpAssign( string op)( C a, C b){
   }
   C a, b;
   a+= b;
 }

 Overloaded operators have to be defined as part of the type 
 that they're
 overloading the operator for, and UFCS is only ever used with 
 the . syntax.
 So, this isn't a bug.

Besides, UFCS doesn't work with local functions either; 
`opOpAssign()` would need to be moved out of `main()`.