lib: add Int::enumerate_*

[nit.git] / lib / standard / kernel.nit

diff --git a/lib/standard/kernel.nit b/lib/standard/kernel.nit
index 64de7c3..994ddf0 100644 (file)
--- a/lib/standard/kernel.nit
+++ b/lib/standard/kernel.nit
@@ -312,6 +312,28 @@ special Discrete
                        return (self + ('a'.ascii - 10)).ascii
                end
        end
+
+       # Executre 'each' for each integer in [self..last]
+       fun enumerate_to(last: Int)
+               !each(i: Int)
+       do
+               var cur = self
+               while cur <= last do
+                       each(cur)
+                       cur += 1
+               end
+       end
+
+       # Executre 'each' for each integer in [self..after[
+       fun enumerate_before(after: Int)
+               !each(i: Int)
+       do
+               var cur = self
+               while cur < after do
+                       each(cur)
+                       cur += 1
+               end
+       end
 end
 
 # Native characters.