Fix documentation

nielsandriesse · nielsandriesse · commit c4623d1ae54b · 2015-12-11T11:30:04.000+11:00
diff --git a/stdlib/public/core/SetAlgebra.swift b/stdlib/public/core/SetAlgebra.swift
@@ -200,7 +200,7 @@ extension SetAlgebraType {
     return self.intersect(other).isEmpty
   }
 
-  /// Returns true iff `self.intersect(other).isEmpty`.
+  /// Returns the set of elements contained in `self` but not in `other`.
   @warn_unused_result
   public func subtract(other: Self) -> Self {
     return self.intersect(self.exclusiveOr(other))

Original file line number	Diff line number	Diff line change
`@@ -200,7 +200,7 @@ extension SetAlgebraType {`
`200`	`200`	`return self.intersect(other).isEmpty`
`201`	`201`	`}`
`202`	`202`
`203`		- /// Returns true iff `self.intersect(other).isEmpty`.
	`203`	+ /// Returns the set of elements contained in `self` but not in `other`.
`204`	`204`	`@warn_unused_result`
`205`	`205`	`public func subtract(other: Self) -> Self {`
`206`	`206`	`return self.intersect(self.exclusiveOr(other))`