You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: mod.rs
    path of file: ./repos/phaser/phaser/vendor/http/src/uri
    
    the code of the file until where you have to start completion: //! URI component of request and response lines
//!
//! This module primarily contains the `Uri` type which is a component of all
//! HTTP requests and also reexports this typ
    
    pub fn path_and_query(&self) -> Option<&PathAndQuery> {
        if !self.scheme.inner.is_none() || self.authority.data.is_empty() {
            Some(&self.path_and_query)
        } else {
            None
        }
    }