[Issue 13488] implicit conversions to immutable broken

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13488

--- Comment #5 from Kenji Hara <k.hara.pg at gmail.com> ---
(In reply to Sobirari Muhomori from comment #4)
> Doesn't work:
> ---
> struct B
> {
> 	const(int)[] a;
> }
> 
> immutable(B) b(immutable int[] a) pure
> {
> 	return B(a);
> }
> ---
> Error: cannot implicitly convert expression (B(cast(const(int)[])a)) of type
> B to immutable(B)

It's equivalent with:

struct B
{
    const(int)[] a;
}
void main()
{
    immutable int[] a;
    immutable(B) b = B(a);
    // <-- B is not implicitly convertible to immutable(B)
}

--