Bug 11500 – Bringing mixed-in operators and constructors to the overload set

We can bring mixed-in methods to the desired overload set, but not operators or constructors. Here's what I mean: mixin template methodMix() { void foo(int n) { } } mixin template operatorMix() { void opBinary(string op)(int n) { } } mixin template ctorMix() { this(int n) { } } struct MethodTest { mixin methodMix mix; alias foo = mix.foo; void foo(string s) { } } struct OperatorTest { mixin operatorMix mix; alias opBinary = mix.opBinary; void opBinary(string op)(string s) { } // [1] } struct CtorTest { mixin ctorMix mix; // If only I could do the following to bring the // mixed-in constructor to the overload set: //alias this = mix.this; this(string s) { } } void main() { MethodTest mt; mt.foo(3); OperatorTest ot; ot + 3; auto ct = CtorTest(3); // [2] } ----------------- 1. Error: template test.OperatorTest.opBinary(string op)(string s) conflicts with alias test.OperatorTest.opBinary 2. Error: constructor test.CtorTest.this (string s) is not callable using argument types (int)

This bug affects https://github.com/D-Programming-Language/phobos/pull/3751. See https://github.com/D-Programming-Language/phobos/pull/3751#issuecomment-171298109.

You can alias __ctor = mixin_thing.__ctor; if it appears in the right order...

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