Indicates whether T is a file handle, i.e. the type is implicitly convertable to File or a pointer to a core.stdc.stdio.FILE.
true if T is a file handle, false otherwise.
static assert(isFileHandle!(FILE*)); static assert(isFileHandle!(File));
See Implementation
Indicates whether T is a file handle, i.e. the type is implicitly convertable to File or a pointer to a core.stdc.stdio.FILE.