make macro-rules eq

Author: matklad

crates/ra_mbe/src/lib.rs

@@ -30,7 +30,7 @@ pub use crate::syntax_bridge::ast_to_token_tree;
 /// be very confusing is that AST has almost exactly the same shape as
 /// `tt::TokenTree`, but there's a crucial difference: in macro rules, `$ident`
 /// and `$()*` have special meaning (see `Var` and `Repeat` data structures)
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub struct MacroRules {
     pub(crate) rules: Vec<Rule>,
 }
@@ -44,21 +44,21 @@ impl MacroRules {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) struct Rule {
     pub(crate) lhs: Subtree,
     pub(crate) rhs: Subtree,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) enum TokenTree {
     Leaf(Leaf),
     Subtree(Subtree),
     Repeat(Repeat),
 }
 impl_froms!(TokenTree: Leaf, Subtree, Repeat);
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) enum Leaf {
     Literal(Literal),
     Punct(Punct),
@@ -67,37 +67,37 @@ pub(crate) enum Leaf {
 }
 impl_froms!(Leaf: Literal, Punct, Ident, Var);
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) struct Subtree {
     pub(crate) delimiter: Delimiter,
     pub(crate) token_trees: Vec<TokenTree>,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) struct Repeat {
     pub(crate) subtree: Subtree,
     pub(crate) kind: RepeatKind,
     pub(crate) separator: Option<char>,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) enum RepeatKind {
     ZeroOrMore,
     OneOrMore,
     ZeroOrOne,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) struct Literal {
     pub(crate) text: SmolStr,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) struct Ident {
     pub(crate) text: SmolStr,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub(crate) struct Var {
     pub(crate) text: SmolStr,
     pub(crate) kind: Option<SmolStr>,

crates/ra_tt/src/lib.rs

@@ -39,7 +39,7 @@ pub struct Subtree {
     pub token_trees: Vec<TokenTree>,
 }
 
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum Delimiter {
     Parenthesis,
     Brace,