1 files changed, 0 insertions, 108 deletions
diff --git a/syn/src/tt.rs b/syn/src/tt.rs
deleted file mode 100644
index 8dba062..0000000
--- a/syn/src/tt.rs
+++ /dev/null
@@ -1,108 +0,0 @@
-use std::hash::{Hash, Hasher};
-
-use proc_macro2::{Delimiter, TokenStream, TokenTree};
-
-pub struct TokenTreeHelper<'a>(pub &'a TokenTree);
-
-impl<'a> PartialEq for TokenTreeHelper<'a> {
-    fn eq(&self, other: &Self) -> bool {
-        use proc_macro2::Spacing;
-
-        match (self.0, other.0) {
-            (TokenTree::Group(g1), TokenTree::Group(g2)) => {
-                match (g1.delimiter(), g2.delimiter()) {
-                    (Delimiter::Parenthesis, Delimiter::Parenthesis)
-                    | (Delimiter::Brace, Delimiter::Brace)
-                    | (Delimiter::Bracket, Delimiter::Bracket)
-                    | (Delimiter::None, Delimiter::None) => {}
-                    _ => return false,
-                }
-
-                let s1 = g1.stream().into_iter();
-                let mut s2 = g2.stream().into_iter();
-
-                for item1 in s1 {
-                    let item2 = match s2.next() {
-                        Some(item) => item,
-                        None => return false,
-                    };
-                    if TokenTreeHelper(&item1) != TokenTreeHelper(&item2) {
-                        return false;
-                    }
-                }
-                s2.next().is_none()
-            }
-            (TokenTree::Punct(o1), TokenTree::Punct(o2)) => {
-                o1.as_char() == o2.as_char()
-                    && match (o1.spacing(), o2.spacing()) {
-                        (Spacing::Alone, Spacing::Alone) | (Spacing::Joint, Spacing::Joint) => true,
-                        _ => false,
-                    }
-            }
-            (TokenTree::Literal(l1), TokenTree::Literal(l2)) => l1.to_string() == l2.to_string(),
-            (TokenTree::Ident(s1), TokenTree::Ident(s2)) => s1 == s2,
-            _ => false,
-        }
-    }
-}
-
-impl<'a> Hash for TokenTreeHelper<'a> {
-    fn hash<H: Hasher>(&self, h: &mut H) {
-        use proc_macro2::Spacing;
-
-        match self.0 {
-            TokenTree::Group(g) => {
-                0u8.hash(h);
-                match g.delimiter() {
-                    Delimiter::Parenthesis => 0u8.hash(h),
-                    Delimiter::Brace => 1u8.hash(h),
-                    Delimiter::Bracket => 2u8.hash(h),
-                    Delimiter::None => 3u8.hash(h),
-                }
-
-                for item in g.stream() {
-                    TokenTreeHelper(&item).hash(h);
-                }
-                0xffu8.hash(h); // terminator w/ a variant we don't normally hash
-            }
-            TokenTree::Punct(op) => {
-                1u8.hash(h);
-                op.as_char().hash(h);
-                match op.spacing() {
-                    Spacing::Alone => 0u8.hash(h),
-                    Spacing::Joint => 1u8.hash(h),
-                }
-            }
-            TokenTree::Literal(lit) => (2u8, lit.to_string()).hash(h),
-            TokenTree::Ident(word) => (3u8, word).hash(h),
-        }
-    }
-}
-
-pub struct TokenStreamHelper<'a>(pub &'a TokenStream);
-
-impl<'a> PartialEq for TokenStreamHelper<'a> {
-    fn eq(&self, other: &Self) -> bool {
-        let left = self.0.clone().into_iter().collect::<Vec<_>>();
-        let right = other.0.clone().into_iter().collect::<Vec<_>>();
-        if left.len() != right.len() {
-            return false;
-        }
-        for (a, b) in left.into_iter().zip(right) {
-            if TokenTreeHelper(&a) != TokenTreeHelper(&b) {
-                return false;
-            }
-        }
-        true
-    }
-}
-
-impl<'a> Hash for TokenStreamHelper<'a> {
-    fn hash<H: Hasher>(&self, state: &mut H) {
-        let tts = self.0.clone().into_iter().collect::<Vec<_>>();
-        tts.len().hash(state);
-        for tt in tts {
-            TokenTreeHelper(&tt).hash(state);
-        }
-    }
-}