add mruby sources

1 files changed, 30 insertions, 0 deletions

diff --git a/mrblib/range.rb b/mrblib/range.rb
new file mode 100644
index 000000000..79bc40ecd
--- /dev/null
+++ b/mrblib/range.rb
@@ -0,0 +1,30 @@
+#
+#  Range
+#
+class Range
+  # 15.2.14.4.4
+  def each(&block)
+    val = self.first
+    unless val.respond_to? :succ
+      raise TypeError, "can't iterate"
+    end
+
+    last = self.last
+    return self if (val <=> last) > 0
+
+    while((val <=> last) < 0)
+      block.call(val)
+      val = val.succ
+    end
+
+    block.call(val) unless exclude_end?
+
+    self
+  end
+end
+
+# include modules
+module Enumerable; end
+class Range
+  include Enumerable
+end