cpp/experimental/fs/is symlink

Checks if the given file status or path corresponds to a symbolic link, as if determined by the POSIX S_IFLNK. @1@ Equivalent to. @2@ Equivalent to or.

Return value
if the file indicated by or if the type indicated  refers to a symbolic link. The non-throwing overload returns if an error occurs.

Exceptions
@1@ @2,3@