lib/picky/extensions/symbol.rb in picky-3.1.0 vs lib/picky/extensions/symbol.rb in picky-3.1.1

@@ -15,6 +15,28 @@
 
     yield self
     size.downto(from_length + 1) { yield sub.chop!.intern }
   end
 
+  # :keys.each_intoken         # => yields each of [:keys, :key, :eys, :ke, :ey, :ys, :k, :e, :y, :s]
+  # :keys.each_intoken(2)      # => yields each of [:keys, :key, :eys, :ke, :ey, :ys]
+  # :keys.each_intoken(2, 3)   # => yields each of [:keys, :key, :eys]
+  # :keys.each_intoken(10, 12) # => yields nothing (min larger than sym)
+  #
+  def each_intoken min_length = 1, max_length = -1
+    max_length = size + max_length + 1 if max_length < 0
+    max_length = size if size < max_length
+    max_length = 1 if max_length < 1
+
+    min_length = size + min_length + 1 if min_length < 0
+    min_length = 1 if min_length < 1
+
+    this_many = size - max_length + 1
+    max_length.downto(min_length) do |length|
+      this_many.times do |offset|
+        yield self[offset, length].intern
+      end
+      this_many += 1
+    end
+  end
+
 end
\ No newline at end of file