# Trait syn::parse::Peek [−] [src]

    pub trait Peek: Sealed { }

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.

## Implementors

### `impl<F: Copy + FnOnce(TokenMarker) -> T, T: Token> Peek for F` [src]

#### `type Token = T`

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