Previously input.peek(syn::LitStr) worked but input.peek(syn::LitCStr) would fail to compile.
error[E0277]: the trait bound `LitCStr: CustomToken` is not satisfied
--> src/lib.rs:7:19
|
7 | if input.peek(syn::LitCStr) {
| ---- ^^^^^^^^^^^^ the trait `CustomToken` is not implemented for `LitCStr`, which is required by `fn(syn::lookahead::TokenMarker) -> LitCStr {LitCStr}: Peek`
| |
| required by a bound introduced by this call
|
= help: the following other types implement trait `CustomToken`:
syn::expr::parsing::kw::builtin
syn::expr::parsing::kw::raw
syn::ext::private::IdentAny
= note: required for `LitCStr` to implement `Token`
= note: required for `fn(syn::lookahead::TokenMarker) -> LitCStr {LitCStr}` to implement `Peek`
note: required by a bound in `ParseBuffer::<'a>::peek`
--> .cargo/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.66/src/parse.rs:580:20
|
580 | pub fn peek<T: Peek>(&self, token: T) -> bool {
| ^^^^ required by this bound in `ParseBuffer::<'a>::peek`
Previously
input.peek(syn::LitStr)
worked butinput.peek(syn::LitCStr)
would fail to compile.