Minor type fix (rust-lang#1337)

eholk · web-flow · commit 3f26575287a2 · 2022-04-14T19:44:36.000+09:00
diff --git a/src/doc/rustc-dev-guide/src/borrow_check/region_inference/placeholders_and_universes.md b/src/doc/rustc-dev-guide/src/borrow_check/region_inference/placeholders_and_universes.md
@@ -122,7 +122,7 @@ Now let's extend `bar` a bit by adding one more variable, `y`:
 ```rust,ignore
 fn bar<'a, T>(t: &'a T) {
     let x: for<'b> fn(&'b u32) = ...;
-    let y: for<'c> fn(&'b u32) = ...;
+    let y: for<'c> fn(&'c u32) = ...;
 }
 ```
 

Original file line number	Diff line number	Diff line change
@@ -122,7 +122,7 @@ Now let's extend `bar` a bit by adding one more variable, `y`:
`122`	`122`	```rust,ignore
`123`	`123`	`fn bar<'a, T>(t: &'a T) {`
`124`	`124`	`let x: for<'b> fn(&'b u32) = ...;`
`125`		`- let y: for<'c> fn(&'b u32) = ...;`
	`125`	`+ let y: for<'c> fn(&'c u32) = ...;`
`126`	`126`	`}`
`127`	`127`	```
`128`	`128`