FlattenSequence/distance(from:to:) enhancements v3.

oscbyspro · oscbyspro · commit 9abed8c8338f · 2024-02-21T09:59:54.000+01:00
A half-open range is a better expression of intent.
diff --git a/stdlib/public/core/Flatten.swift b/stdlib/public/core/Flatten.swift
@@ -303,7 +303,7 @@ extension FlattenCollection: Collection {
     }
     
     // The following combines the distance of three sections.
-    let range = start <= end ? start ... end : end ... start
+    let range = start <= end ? start ..< end : end ..< start
     var outer = range.lowerBound._outer
     var count = 0 as Int // 0...Int.max
     

Original file line number	Diff line number	Diff line change
`@@ -303,7 +303,7 @@ extension FlattenCollection: Collection {`
`303`	`303`	`}`
`304`	`304`
`305`	`305`	`// The following combines the distance of three sections.`
`306`		`- let range = start <= end ? start ... end : end ... start`
	`306`	`+ let range = start <= end ? start ..< end : end ..< start`
`307`	`307`	`var outer = range.lowerBound._outer`
`308`	`308`	`var count = 0 as Int // 0...Int.max`
`309`	`309`