pub trait Peek: Sealed { }Available on crate feature
parsing only.Expand description
Types that can be parsed by looking at just one token.
Use ParseStream::peek to peek one of these types in a parse stream
without consuming it from the stream.
This trait is sealed and cannot be implemented for types outside of Syn.
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.