Summary: Remove Typesafe Variadic Functions for class objects
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: spec
          Severity: enhancement
          Priority: P2
         Component: DMD

--- Comment #0 from 2010-12-24 00:47:44 PST ---
I suggest to remove a feature from the D2 language, "Typesafe Variadic
Functions" for class objects:

This is the example in the docs:

class Foo
    int x;
    char[] s;

    this(int x, char[] s)
    this.x = x;
    this.s = s;

void test(int x, Foo f ...);


Foo g = new Foo(3, "abc");
test(1, g);        // ok, since g is an instance of Foo
test(1, 4, "def");    // ok
test(1, 5);        // error, no matching constructor for Foo

In the last years I have never used this feature, so I think it's not useful
often enough.

Once the feature is missing you have to replace code like this:
test(1, 4, "def");

test(1, new Foo(4, "def"));

So it doesn't seem a significant loss.

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