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dtolnay
Parser for Rust source code
In order to create accurate subspans into a `LitStr` there needs to be some way to map offsets from the string value into offsets of the `Literal`. As an example...
I tried to add `#[derive(Debug)]` to this struct ```rust #[derive(Debug)] struct Test { kw: T, eq_token: Token![=], // ... } ``` But the compiler offends me. ``` error: `derive` cannot...
Hello! I'm a little confused by `syn::Type`. I'm writing a derive macro and I really just need to know if a given field on the input struct is a `String`...
I'm trying to parse a set of declarations and then implementations, where the implementation parsing is dependent on information from the declaration portion. I'm having trouble getting that former information...
#1519 parenthesized!, braced! and bracketed! macros are very verbous in situations where you want to handle Err in current function beacause in this case they are expand in return statement....
I believe that `TokenMarker` has been accidentally been left unexported. It's `pub` while other non-exported items are `pub(crate)`. ```rust pub enum TokenMarker {} ``` https://github.com/dtolnay/syn/blob/master/src/lookahead.rs#L157 I ran into this when...
RFC: https://github.com/rust-lang/rfcs/pull/3348 Tracking issue: https://github.com/rust-lang/rust/issues/105723
I want to write a macro that adds a special type of statement. Currently I need to re-implement the sym functionality. It would make much easier if `AllowNoSemi` was exposed...
