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use crate::syntax::Receiver;
use proc_macro2::TokenStream;
use quote::{quote_spanned, ToTokens};
use syn::Token;
pub(crate) struct ReceiverType<'a>(&'a Receiver);
pub(crate) struct ReceiverTypeSelf<'a>(&'a Receiver);
impl Receiver {
// &TheType
pub(crate) fn ty(&self) -> ReceiverType {
ReceiverType(self)
}
// &Self
pub(crate) fn ty_self(&self) -> ReceiverTypeSelf {
ReceiverTypeSelf(self)
}
}
impl ToTokens for ReceiverType<'_> {
fn to_tokens(&self, tokens: &mut TokenStream) {
let Receiver {
pinned: _,
ampersand,
lifetime,
mutable: _,
var: _,
colon_token: _,
ty,
shorthand: _,
pin_tokens,
mutability,
} = &self.0;
if let Some((pin, langle, _rangle)) = pin_tokens {
tokens.extend(quote_spanned!(pin.span=> ::cxx::core::pin::Pin));
langle.to_tokens(tokens);
}
ampersand.to_tokens(tokens);
lifetime.to_tokens(tokens);
mutability.to_tokens(tokens);
ty.to_tokens(tokens);
if let Some((_pin, _langle, rangle)) = pin_tokens {
rangle.to_tokens(tokens);
}
}
}
impl ToTokens for ReceiverTypeSelf<'_> {
fn to_tokens(&self, tokens: &mut TokenStream) {
let Receiver {
pinned: _,
ampersand,
lifetime,
mutable: _,
var: _,
colon_token: _,
ty,
shorthand: _,
pin_tokens,
mutability,
} = &self.0;
if let Some((pin, langle, _rangle)) = pin_tokens {
tokens.extend(quote_spanned!(pin.span=> ::cxx::core::pin::Pin));
langle.to_tokens(tokens);
}
ampersand.to_tokens(tokens);
lifetime.to_tokens(tokens);
mutability.to_tokens(tokens);
Token![Self](ty.rust.span()).to_tokens(tokens);
if let Some((_pin, _langle, rangle)) = pin_tokens {
rangle.to_tokens(tokens);
}
}
}
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