[−][src]Trait quote::ToTokens

pub trait ToTokens {
    fn to_tokens(&self, tokens: &mut Tokens);

    fn into_tokens(self) -> Tokens
    where
        Self: Sized,
    { ... }
}

Types that can be interpolated inside a quote! invocation.

Required methods

fn to_tokens(&self, tokens: &mut Tokens)

Write self to the given Tokens.

Example implementation for a struct representing Rust paths like std::cmp::PartialEq:

extern crate quote;
use quote::{Tokens, ToTokens};

extern crate proc_macro2;
use proc_macro2::{TokenTree, Spacing, Span, Op};

pub struct Path {
    pub global: bool,
    pub segments: Vec<PathSegment>,
}

impl ToTokens for Path {
    fn to_tokens(&self, tokens: &mut Tokens) {
        for (i, segment) in self.segments.iter().enumerate() {
            if i > 0 || self.global {
                // Double colon `::`
                tokens.append(Op::new(':', Spacing::Joint));
                tokens.append(Op::new(':', Spacing::Alone));
            }
            segment.to_tokens(tokens);
        }
    }
}
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Provided methods

fn into_tokens(self) -> Tokens where
    Self: Sized, 

Convert self directly into a Tokens object.

This method is implicitly implemented using to_tokens, and acts as a convenience method for consumers of the ToTokens trait.

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Implementations on Foreign Types

impl<'a, T: ?Sized + ToTokens> ToTokens for &'a T[src]

impl<'a, T: ?Sized + ToOwned + ToTokens> ToTokens for Cow<'a, T>[src]

impl<T: ?Sized + ToTokens> ToTokens for Box<T>[src]

impl<T: ToTokens> ToTokens for Option<T>[src]

impl ToTokens for str[src]

impl ToTokens for String[src]

impl ToTokens for i8[src]

impl ToTokens for i16[src]

impl ToTokens for i32[src]

impl ToTokens for i64[src]

impl ToTokens for isize[src]

impl ToTokens for u8[src]

impl ToTokens for u16[src]

impl ToTokens for u32[src]

impl ToTokens for u64[src]

impl ToTokens for usize[src]

impl ToTokens for f32[src]

impl ToTokens for f64[src]

impl ToTokens for char[src]

impl ToTokens for bool[src]

impl ToTokens for Group[src]

impl ToTokens for Term[src]

impl ToTokens for Op[src]

impl ToTokens for Literal[src]

impl ToTokens for TokenTree[src]

impl ToTokens for TokenStream[src]

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Implementors

impl ToTokens for Tokens[src]

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