3 use proc_macro::{token_stream, Group, TokenStream, TokenTree};
6     if let Some(TokenTree::Ident(ident)) = it.next() {  in try_ident()
14     if let Some(TokenTree::Literal(literal)) = it.next() {  in try_literal()
42     if let TokenTree::Punct(punct) = it.next().expect("Reached end of token stream for Punct") {  in expect_punct()
60     if let TokenTree::Group(group) = it.next().expect("Reached end of token stream for Group") {  in expect_group()
98     pub(crate) decl_generics: Vec<TokenTree>,
102     pub(crate) impl_generics: Vec<TokenTree>,
107     pub(crate) ty_generics: Vec<TokenTree>,
113 pub(crate) fn parse_generics(input: TokenStream) -> (Generics, Vec<TokenTree>) {  in parse_generics()  argument
129         if nesting == 1 && matches!(&tt, TokenTree::Punct(p) if p.as_char() == '>') {  in parse_generics()
136             TokenTree::Punct(p) if p.as_char() == '<' => {  in parse_generics()
143             TokenTree::Punct(p) if p.as_char() == '>' => {  in parse_generics()
155             TokenTree::Punct(p) if skip_until_comma && p.as_char() == ',' => {  in parse_generics()
169                             TokenTree::Ident(i) if at_start && i.to_string() == "const" => {  in parse_generics()
180                             TokenTree::Ident(_) if at_start => {  in parse_generics()
185                             TokenTree::Punct(p) if p.as_char() == ',' => {  in parse_generics()
191                             TokenTree::Punct(p) if p.as_char() == '\'' && at_start => {  in parse_generics()
196                             TokenTree::Punct(p) if p.as_char() == '=' => {  in parse_generics()