`Enumerator#size` is not supported [ci skip]
@@ -89,7 +89,6 @@ class Enumerator
include Enumerable
##
- # @overload initialize(size = nil, &block)
# @overload initialize(obj, method = :each, *args)
#
# Creates a new Enumerator object, which can be used as an
@@ -561,15 +560,10 @@ module Kernel
# call-seq:
# obj.to_enum(method = :each, *args) -> enum
# obj.enum_for(method = :each, *args) -> enum
- # obj.to_enum(method = :each, *args) {|*args| block} -> enum
- # obj.enum_for(method = :each, *args){|*args| block} -> enum
#
# Creates a new Enumerator which will enumerate by calling +method+ on
# +obj+, passing +args+ if any.
#
- # If a block is given, it will be used to calculate the size of
- # the enumerator without the need to iterate it (see Enumerator#size).
- #
# === Examples
#
# str = "xyz"
@@ -587,17 +581,14 @@ module Kernel
# It is typical to call to_enum when defining methods for
# a generic Enumerable, in case no block is passed.
#
- # Here is such an example, with parameter passing and a sizing block:
+ # Here is such an example with parameter passing:
#
# module Enumerable
# # a generic method to repeat the values of any enumerable
# def repeat(n)
# raise ArgumentError, "#{n} is negative!" if n < 0
# unless block_given?
- # return to_enum(__method__, n) do # __method__ is :repeat here
- # sz = size # Call size and multiply by n...
- # sz * n if sz # but return nil if size itself is nil
- # end
+ # return to_enum(__method__, n) # __method__ is :repeat here
# end
# each do |*val|
# n.times { yield *val }
