Function display

pub fn display<T>(inner: T) -> Display<T>
where
    T: Display,

Function to build a string literal.

This is an alternative to manually implementing tokens::FormatInto, since it can tokenize anything that implements Display directly.

On the other hand, things implementing tokens::FormatInto have access to the full range of the Tokens api, allowing it to work more efficiently.

Examples

Example showcasing quoted strings when generating Rust.

use genco::prelude::*;
use std::fmt;

struct Foo(());

impl fmt::Display for Foo {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        write!(fmt, "Foo")
    }
}

let map = rust::import("std::collections", "HashMap");

let foo = Foo(());

let tokens = quote! {
    let mut m = $map::<u32, &str>::new();
    m.insert(0, $(display(&foo)));
};

assert_eq!(
    vec![
       "use std::collections::HashMap;",
       "",
       "let mut m = HashMap::<u32, &str>::new();",
       "m.insert(0, Foo);",
    ],
    tokens.to_file_vec()?,
);