lib: improves usage example of Int::times

[nit.git] / lib / standard / collection / range.nit

diff --git a/lib/standard/collection/range.nit b/lib/standard/collection/range.nit
index f356c6f..62094a4 100644 (file)
--- a/lib/standard/collection/range.nit
+++ b/lib/standard/collection/range.nit
@@ -100,3 +100,16 @@ class IteratorRange[E: Discrete]
                _item = r.first
        end
 end
+
+redef class Int
+       # Returns the range from 0 to `self-1`, is used to do:
+       #
+       #    var s = new Array[String]
+       #    for i in 3.times do s.add "cool"
+       #    assert s.join(" ") == "cool cool cool"
+       #
+       #    s.clear
+       #    for i in 10.times do s.add(i.to_s)
+       #    assert s.to_s == "0123456789"
+       fun times: Range[Int] do return [0 .. self[
+end