feat: add isEmpty method to Sequence class with efficient early-termination check

2015-06-30 13:52:29 +00:00
parent d04e6a61a6
commit 1dc1c4e2bf
4 changed files with 21 additions and 0 deletions
@@ -61,6 +61,13 @@ Iterates over the sequence, passing each element to the given `function`.
    :::dart
    ["one", "two", "three"].each {|word| IO.print(word) }

+### **isEmpty**
+
+Returns whether the sequence contains any elements.
+
+This can be more efficient that `count == 0` because this does not iterate over
+the entire sequence.
+
 ### **join**(sep)

 Returns a string representation of the sequence. The string representations of