argument type const char* can pass string, buf why const wchar* can not pass wstring

[Basile B. via Digitalmars-d-learn]

On Sunday, 27 December 2015 at 04:54:07 UTC, Basile B. wrote:
> it allows to pass either `char[]` or `string[]`:

I meant "char[]` or `string", string without square brackets of 
course...