#![allow(clippy::let_underscore_untyped)] use syn::ext::IdentExt; use syn::parse::ParseStream; use syn::{Ident, Token}; #[test] fn test_peek() { let _ = |input: ParseStream| { let _ = input.peek(Ident); let _ = input.peek(Ident::peek_any); let _ = input.peek(Token![::]); }; }