stdlib: Fix documentation comments for Sequence.{dropFirst(),dropLast()}

vollcano · Dec 2, 2015 · f431025 · f431025
1 parent fed7f79
commit f431025
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/stdlib/public/core/Sequence.swift b/stdlib/public/core/Sequence.swift
@@ -588,15 +588,13 @@ extension SequenceType where Generator.Element : Equatable {
 extension SequenceType {
   /// Returns a subsequence containing all but the first element.
   ///
-  /// - Requires: `n >= 0`
-  /// - Complexity: O(`n`)
+  /// - Complexity: O(1)
   @warn_unused_result
   public func dropFirst() -> SubSequence { return dropFirst(1) }
 
   /// Returns a subsequence containing all but the last element.
   ///
   /// - Requires: `self` is a finite sequence.
-  /// - Requires: `n >= 0`
   /// - Complexity: O(`self.count`)
   @warn_unused_result
   public func dropLast() -> SubSequence  { return dropLast(1) }