uri.go
func (u *URI) SetScheme(scheme string) {
	u.scheme = append(u.scheme[:0], scheme...)
	lowercaseBytes(u.scheme)
}
func (u *URI) SetScheme(scheme string) {
	u.scheme = append(u.scheme[:0], scheme...)
	lowercaseBytes(u.scheme)
}
func ( u * URI ) SetScheme ( scheme string ) { u . scheme = append ( u . scheme [ : 0 ] , scheme ... ) lowercaseBytes ( u . scheme ) }
// SetScheme sets URI scheme, i.e. http, https, ftp, etc.
SetScheme sets URI scheme i . e . http https ftp etc .