var errors.ErrUnsupported

3 uses

	errors (current package)
		errors.go#L87: var ErrUnsupported = New("unsupported operation")

	net/http
		request.go#L53: 	return pe == ErrNotSupported && err == errors.ErrUnsupported

	syscall
		syscall_unix.go#L126: 	case errorspkg.ErrUnsupported: