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use crate::macros::{MacroContext, ToTokens, TokenStream};
use std::fmt;
type EncodeFn<'a> = dyn Fn(&MacroContext, &mut TokenStream) + Send + Sync + 'a;
pub fn quote_fn<'a, T>(f: T) -> Quote<'a>
where
T: 'a + Fn(&MacroContext, &mut TokenStream) + Send + Sync,
{
Quote(Box::new(f))
}
pub struct Quote<'a>(Box<EncodeFn<'a>>);
impl<'a> Quote<'a> {
pub fn into_token_stream(self) -> TokenStream {
TokenStream::from_to_tokens(self)
}
}
impl<'a> ToTokens for Quote<'a> {
fn to_tokens(&self, context: &MacroContext, stream: &mut TokenStream) {
(self.0)(context, stream)
}
}
impl<'a> fmt::Debug for Quote<'a> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_tuple("Quote").finish()
}
}