increase comment verbosity

the8472 · the8472 · commit fa34b39cd6c2 · 2020-09-03T20:59:30.000+02:00
diff --git a/library/alloc/src/vec.rs b/library/alloc/src/vec.rs
@@ -2164,8 +2164,8 @@ where
     }
 }
 
-// A helper struct for in-place iteration that drops the destination slice of iteration.
-// The source slice is dropped by IntoIter
+// A helper struct for in-place iteration that drops the destination slice of iteration,
+// i.e. the head. The source slice (the tail) is dropped by IntoIter.
 struct InPlaceDrop<T> {
     inner: *mut T,
     dst: *mut T,

Original file line number	Diff line number	Diff line change
`@@ -2164,8 +2164,8 @@ where`
`2164`	`2164`	`}`
`2165`	`2165`	`}`
`2166`	`2166`
`2167`		`-// A helper struct for in-place iteration that drops the destination slice of iteration.`
`2168`		`-// The source slice is dropped by IntoIter`
	`2167`	`+// A helper struct for in-place iteration that drops the destination slice of iteration,`
	`2168`	`+// i.e. the head. The source slice (the tail) is dropped by IntoIter.`
`2169`	`2169`	`struct InPlaceDrop<T> {`
`2170`	`2170`	`inner: *mut T,`
`2171`	`2171`	`dst: *mut T,`