1 files changed, 0 insertions, 72 deletions
diff --git a/vendor/rustversion/src/expand.rs b/vendor/rustversion/src/expand.rs
deleted file mode 100644
index 813ba85d..00000000
--- a/vendor/rustversion/src/expand.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-use crate::attr::{self, Then};
-use crate::error::{Error, Result};
-use crate::{constfn, expr, iter, token};
-use proc_macro::{Delimiter, Group, Ident, Punct, Spacing, Span, TokenStream, TokenTree};
-use std::iter::FromIterator;
-
-pub fn cfg(introducer: &str, args: TokenStream, input: TokenStream) -> TokenStream {
-    try_cfg(introducer, args, input).unwrap_or_else(Error::into_compile_error)
-}
-
-fn try_cfg(introducer: &str, args: TokenStream, input: TokenStream) -> Result<TokenStream> {
-    let introducer = Ident::new(introducer, Span::call_site());
-
-    let mut full_args = TokenStream::from(TokenTree::Ident(introducer));
-    if !args.is_empty() {
-        full_args.extend(std::iter::once(TokenTree::Group(Group::new(
-            Delimiter::Parenthesis,
-            args,
-        ))));
-    }
-
-    let ref mut full_args = iter::new(full_args);
-    let expr = expr::parse(full_args)?;
-    token::parse_end(full_args)?;
-
-    if expr.eval(crate::RUSTVERSION) {
-        Ok(input)
-    } else {
-        Ok(TokenStream::new())
-    }
-}
-
-pub fn try_attr(args: attr::Args, input: TokenStream) -> Result<TokenStream> {
-    if !args.condition.eval(crate::RUSTVERSION) {
-        return Ok(input);
-    }
-
-    match args.then {
-        Then::Const(const_token) => constfn::insert_const(input, const_token),
-        Then::Attribute(then) => {
-            // #[cfg_attr(all(), #then)]
-            Ok(TokenStream::from_iter(
-                vec![
-                    TokenTree::Punct(Punct::new('#', Spacing::Alone)),
-                    TokenTree::Group(Group::new(
-                        Delimiter::Bracket,
-                        TokenStream::from_iter(vec![
-                            TokenTree::Ident(Ident::new("cfg_attr", Span::call_site())),
-                            TokenTree::Group(Group::new(
-                                Delimiter::Parenthesis,
-                                TokenStream::from_iter(
-                                    vec![
-                                        TokenTree::Ident(Ident::new("all", Span::call_site())),
-                                        TokenTree::Group(Group::new(
-                                            Delimiter::Parenthesis,
-                                            TokenStream::new(),
-                                        )),
-                                        TokenTree::Punct(Punct::new(',', Spacing::Alone)),
-                                    ]
-                                    .into_iter()
-                                    .chain(then),
-                                ),
-                            )),
-                        ]),
-                    )),
-                ]
-                .into_iter()
-                .chain(input),
-            ))
-        }
-    }
-}