[Issue 15692] New: Allow struct member initializer everywhere

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15692

          Issue ID: 15692
           Summary: Allow struct member initializer everywhere
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: doob at me.com

Currently it's only legal to use struct member initializer when declaring a
variable:

struct Foo { int a; int b; }

void main()
{
    Foo foo = {
        a: 3,
        b: 4
    };
}

It would be a big improvement if something as the following was allowed:

Foo{ a: 3, b: 4 }

Then it would be possible to use the member initializer syntax in all places a
regular struct initializer is supported. For example, together with "auto" and
when calling functions:

auto foo = Foo{ a: 3, b: 4 };
bar(Foo{ a: 3, b: 4 });

An alternative syntax could be to use parentheses instead:

auto foo = Foo(a: 3, b: 4);

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