[−][src]Trait proc_quote::ToTokens
Types that can be interpolated inside a quote!
invocation.
Required methods
fn to_tokens(&self, tokens: &mut TokenStream)
Write self
to the given TokenStream
.
The token append methods provided by the TokenStreamExt
extension
trait may be useful for implementing ToTokens
.
Example
Example implementation for a struct representing Rust paths like
std::cmp::PartialEq
:
use proc_macro2::{TokenTree, Spacing, Span, Punct, TokenStream}; use quote::{TokenStreamExt, ToTokens}; pub struct Path { pub global: bool, pub segments: Vec<PathSegment>, } impl ToTokens for Path { fn to_tokens(&self, tokens: &mut TokenStream) { for (i, segment) in self.segments.iter().enumerate() { if i > 0 || self.global { // Double colon `::` tokens.append(Punct::new(':', Spacing::Joint)); tokens.append(Punct::new(':', Spacing::Alone)); } segment.to_tokens(tokens); } } }
Provided methods
fn to_token_stream(&self) -> TokenStream
Convert self
directly into a TokenStream
object.
This method is implicitly implemented using to_tokens
, and acts as a
convenience method for consumers of the ToTokens
trait.
fn into_token_stream(self) -> TokenStream
Convert self
directly into a TokenStream
object.
This method is implicitly implemented using to_tokens
, and acts as a
convenience method for consumers of the ToTokens
trait.
Implementations on Foreign Types
impl ToTokens for Literal
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl<'a, T> ToTokens for Cow<'a, T> where
T: ToTokens + ToOwned + ?Sized,
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T: ToTokens + ToOwned + ?Sized,
fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for u16
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for i32
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl<T> ToTokens for Rc<T> where
T: ToTokens + ?Sized,
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T: ToTokens + ?Sized,
fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for String
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for i16
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for Ident
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for u128
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for f32
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for Punct
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for Group
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for u64
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl<T> ToTokens for Box<T> where
T: ToTokens + ?Sized,
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T: ToTokens + ?Sized,
fn to_tokens(&self, tokens: &mut TokenStream)
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impl<'a, T> ToTokens for &'a mut T where
T: ToTokens + ?Sized,
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T: ToTokens + ?Sized,
fn to_tokens(&self, tokens: &mut TokenStream)
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impl<T> ToTokens for Option<T> where
T: ToTokens,
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T: ToTokens,
fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for bool
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for TokenStream
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fn to_tokens(&self, dst: &mut TokenStream)
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fn into_token_stream(self) -> TokenStream
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impl ToTokens for u32
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for isize
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for f64
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for str
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl ToTokens for usize
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fn to_tokens(&self, tokens: &mut TokenStream)
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impl<'a, T> ToTokens for &'a T where
T: ToTokens + ?Sized,
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T: ToTokens + ?Sized,