Some docs and to_s testing

somewhat code_climate inspired

lib/ruby/if_statement.rb

@@ -1,6 +1,15 @@
 require_relative "normalizer"
 
 module Ruby
+  # The if must have condition and a true branch, the false is optional
+  #
+  # It maps pretty much one to one to a Vool, except for "hoisting"
+  #
+  # Ruby may have super complex expressions as the condition, whereas
+  # Vool may not. Ie of a Statement list all but the last are hoisted to before
+  # the vool if. This is equivalent, just easier to compile later
+  #
+  # The hoisintg code is in Normalizer, as it is also useed in return and while
   class IfStatement < Statement
     include Normalizer
 
@@ -28,8 +37,8 @@ module Ruby
     end
 
     def to_s(depth = 0)
-      parts = ["if (#{@condition})" , @body.to_s(depth + 1) ]
-      parts += ["else" ,  "@if_false.to_s(depth + 1)"] if(@false)
+      parts = ["if(#{@condition})" , @if_true.to_s(depth + 1) ]
+      parts += ["else" ,  @if_false.to_s(depth + 1)] if(@if_false)
       parts << "end"
       at_depth(depth , *parts )
     end