Merge pull request #570 from kostya/array_methods

some array tags

lib-topaz/array.rb

@@ -106,6 +106,7 @@ def compact!
   end
 
   def reject!(&block)
+    return self.enum_for(:reject!) unless block
     prev_size = self.size
     self.delete_if(&block)
     return nil if prev_size == self.size
@@ -248,11 +249,14 @@ def *(arg)
   end
 
   def map!(&block)
+    return self.enum_for(:map!) unless block
     raise RuntimeError.new("can't modify frozen #{self.class}") if frozen?
     self.each_with_index { |obj, idx| self[idx] = yield(obj) }
     self
   end
 
+  alias :collect! :map!
+
   def max(&block)
     max = self[0]
     self.each do |e|

lib-topaz/enumerable.rb

@@ -77,6 +77,8 @@ def select(&block)
     result
   end
 
+  alias :find_all :select
+
   def include?(obj)
     self.each do |o|
       return true if o == obj
@@ -136,6 +138,7 @@ def take(n)
   end
 
   def take_while(&block)
+    return self.enum_for(:take_while) unless block
     result = []
     self.each do |o|
       break unless yield(o)
@@ -145,6 +148,7 @@ def take_while(&block)
   end
 
   def reject(&block)
+    return self.enum_for(:reject) unless block
     result = []
     self.each do |o|
       result << o unless yield(o)

spec/tags/core/array/map_tags.txt

@@ -1,6 +1,3 @@
-fails:Array#map! returns an Enumerator when no block given, and the enumerator can modify the original array
-fails:Array#map! when frozen raises a RuntimeError when calling #each on the returned Enumerator
-fails:Array#map! when frozen raises a RuntimeError when calling #each on the returned Enumerator when empty
 fails:does not copy untrusted status
 fails:does not copy tainted status
 fails:returns the evaluated value of block if it broke in the block

spec/tags/core/enumerable/find_all_tags.txt

@@ -1,4 +1,2 @@
-fails:Enumerable#find_all returns all elements for which the block is not false
-fails:Enumerable#find_all returns an enumerator when no block given
 fails:Enumerable#find_all passes through the values yielded by #each_with_index
 fails:Enumerable#find_all gathers whole arrays as elements when each yields multiple

spec/tags/core/enumerable/reject_tags.txt

@@ -1,2 +1 @@
-fails:Enumerable#reject returns an Enumerator if called without a block
 fails:Enumerable#reject gathers whole arrays as elements when each yields multiple