Class: Enumerable::Enumerator

Inherits:

Object

• Object
• Enumerable::Enumerator

Includes:

Enumerable

Defined in:

enumerator.c,
enumerator.c

Overview

A class which provides a method ‘each’ to be used as an Enumerable object.

Instance Method Summary

• #each { ... } ⇒ Object

  Iterates the given block using the object and the method specified in the first place.

• #Enumerable::Enumerator.new(obj, method = :each, *args) ⇒ Object constructor

  Creates a new Enumerable::Enumerator object, which is to be used as an Enumerable object using the given object’s given method with the given arguments.

Methods included from Enumerable

#each_cons, #each_slice, #enum_cons, #enum_slice, #enum_with_index

Constructor Details

#Enumerable::Enumerator.new(obj, method = :each, *args) ⇒ Object

Creates a new Enumerable::Enumerator object, which is to be used as an Enumerable object using the given object’s given method with the given arguments.

e.g.:

str = "xyz"

enum = Enumerable::Enumerator.new(str, :each_byte)
a = enum.map {|b| '%02x' % b } #=> ["78", "79", "7a"]

# File 'enumerator.c', line 218

static VALUE
enumerator_initialize(argc, argv, obj)
int argc;

Instance Method Details

#each { ... } ⇒ Object

Iterates the given block using the object and the method specified in the first place.

Yields:

# File 'enumerator.c', line 253

static VALUE
enumerator_each(obj)
VALUE obj;