Sha256: b171b0088c23ebf4bfa07ba457881b41ac5e547d55dd16f737ea988d34badf61
Contents?: true
Size: 912 Bytes
Versions: 8
Compression:
Stored size: 912 Bytes
Contents
use proc_macro2::{Punct, Spacing, TokenStream};
// None of our generated code requires the `From::from` error conversion
// performed by the standard library's `try!` macro. With this simplified macro
// we see a significant improvement in type checking and borrow checking time of
// the generated code and a slight improvement in binary size.
pub fn replacement() -> TokenStream {
// Cannot pass `$expr` to `quote!` prior to Rust 1.17.0 so interpolate it.
let dollar = Punct::new('$', Spacing::Alone);
quote! {
#[allow(unused_macros)]
macro_rules! try {
(#dollar __expr:expr) => {
match #dollar __expr {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
}
}
}
}
}
Version data entries
8 entries across 8 versions & 1 rubygems