polish docs

and a bit of code style
2018-03-11 16:11:15 +05:30
parent d6a2ea4cfc
commit f7aac1d1a4
14 changed files with 65 additions and 72 deletions
--- a/lib/common/statements.rb
+++ b/lib/common/statements.rb
@@ -24,6 +24,9 @@ module Common
    def [](i)
      @statements[i]
    end
+    def <<(o)
+      @statements << o
+    end
    def collect(arr)
      @statements.each { |s| s.collect(arr) }
      super