Remove unnecessary derives.

nnethercote · nnethercote · commit 5b56acce8536 · 2023-11-15T13:22:28.000+11:00
diff --git a/compiler/rustc_ast_pretty/src/pp.rs b/compiler/rustc_ast_pretty/src/pp.rs
@@ -177,7 +177,7 @@ pub struct BeginToken {
     breaks: Breaks,
 }
 
-#[derive(Clone, PartialEq)]
+#[derive(PartialEq)]
 pub enum Token {
     // In practice a string token contains either a `&'static str` or a
     // `String`. `Cow` is overkill for this because we never modify the data,
@@ -229,7 +229,6 @@ pub struct Printer {
     last_printed: Option<Token>,
 }
 
-#[derive(Clone)]
 struct BufEntry {
     token: Token,
     size: isize,

Original file line number	Diff line number	Diff line change
`@@ -177,7 +177,7 @@ pub struct BeginToken {`
`177`	`177`	`breaks: Breaks,`
`178`	`178`	`}`
`179`	`179`
`180`		`-#[derive(Clone, PartialEq)]`
	`180`	`+#[derive(PartialEq)]`
`181`	`181`	`pub enum Token {`
`182`	`182`	// In practice a string token contains either a `&'static str` or a
`183`	`183`	// `String`. `Cow` is overkill for this because we never modify the data,
`@@ -229,7 +229,6 @@ pub struct Printer {`
`229`	`229`	`last_printed: Option<Token>,`
`230`	`230`	`}`
`231`	`231`
`232`		`-#[derive(Clone)]`
`233`	`232`	`struct BufEntry {`
`234`	`233`	`token: Token,`
`235`	`234`	`size: isize,`