/// Check if this type requirement matches any type.
Check if this type requirement matches any type.
Check if this type requirement matches any type .
pub fn is_any(&self) -> bool {
        match *self {
            TypeReq::Any => true,
            _ => false,
        }
    }
pub fn is_any ( & self ) -> bool { match * self { TypeReq :: Any => true , _ => false , } }
Check if this type requirement matches any type.
Check if this type requirement matches any type .
&self