lib/core/facets/proc/compose.rb in facets-2.0.2 vs lib/core/facets/proc/compose.rb in facets-2.0.3

@@ -1,43 +1,46 @@
 class Proc
 
-  # CREDIT Dave
-
   # Returns a new proc that is the functional
-  # compostion of two procs, in order.
+  # composition of two procs, in order.
   #
-  #  a = lambda { |x| x + 4 }
-  #  b = lambda { |y| y / 2 }
+  #   a = lambda { |x| x + 4 }
+  #   b = lambda { |y| y / 2 }
   #
-  #  a.compose(b).call(4)  #=> 6
-  #  b.compose(a).call(4)  #=> 4
+  #   a.compose(b).call(4)  #=> 6
+  #   b.compose(a).call(4)  #=> 4
   #
+  # CREDIT Dave
+
   def compose(g)
     raise ArgumentError, "arity count mismatch" unless arity == g.arity
     lambda{ |*a| self[ *g[*a] ] }
   end
 
   # Operator for Proc#compose and Integer#times_collect/of.
   #
-  #  a = lambda { |x| x + 4 }
-  #  b = lambda { |y| y / 2 }
+  #   a = lambda { |x| x + 4 }
+  #   b = lambda { |y| y / 2 }
   #
-  #  (a * b).call(4)  #=> 6
-  #  (b * a).call(4)  #=> 4
+  #   (a * b).call(4)  #=> 6
+  #   (b * a).call(4)  #=> 4
   #
+  # CREDIT Dave
+
   def *(x)
     if Integer===x
       # collect times
       a = []; x.times{|i| a << call(i)}; a
     else
       # compose procs
       lambda{|*a| self[x[*a]]}
     end
   end
 
+  # Use a Proc as an observable.
+  #
   # CREDIT Tim Pease
 
-  # Use a Proc as an observable.
   alias_method :update, :call
 
 end