yzz.rb in yzz-2.0.2

- old
+ new

@@ -1,6 +1,7 @@
-# -*- coding: utf-8 -*-
+# encoding: utf-8
+
 require_relative 'yzz/version'
 require_relative 'yzz/side'
 require_relative 'yzz/side_pair'
 
 # Yzz implements Ted Nelson's zz (hyperorthogonal, Zig-Zag...) structure. It
@@ -17,11 +18,11 @@
 # 
 # To these basic properties, Ted Nelson adds a bunch of other terminology.
 # A rank is a series of zz objects connected along one dimension. A rank viewed
 # horizontally is referred to as row. A rank viewed vertically is referred to
 # as column.
-
+# 
 # Mixin defining Zz structure (aka. hyperorthogonal structure). As represented
 # by YTed::Zz, a Zz structure is a collection of objects, whose connectivity is
 # defined in a multidimensional space in such way, that each object, along each
 # dimension, has at most one posward neighbor, and one negward neighbor. The
 # relation is bijective: If B is a posward neighbor of A along some dimension,
@@ -52,10 +53,12 @@
   end
   alias connectivity connections
 
   # Returns all neighbors of a zz object.
   # 
-  def neighbors; connections.map &:neighbor end
+  def neighbors
+    connections.map &:neighbor
+  end
 
   # Returns all sides facing another zz object supplied as argument. (Note that
   # this can be <em>more than 1</em> side: object A can be connected to B along
   # more than 1 dimension.
   # 