class Parent

Extends Child
Includes Enumerable
A parent has children, and has methods for accessing them. The Parent class is never encountered except as the superclass for some other object.

Methods


Aliases

push

is a synonym for

add

<<

is a synonym for

push

each_child

is a synonym for

each

Methods

[]

Arguments

index
the Integer index of the child to fetch

Fetches a child at a given index

[]=

Arguments

args
Returns the parent (self)
Set an index entry. See Array.[]= @return the parent (self)

add

Arguments

object

delete

Arguments

object

delete_at

Arguments

index

delete_if

Arguments

object
block

dup_children


each

Arguments

block

each_index

Arguments

block

index

Arguments

child
the child to get the index of
Returns the index of the child, or nil if the object is not a child of this parent.
Fetches the index of a given child

initialize

Arguments

parent<nil>
if supplied, will be set as the parent of this object

Constructor

insert_after

Arguments

child1
the child to insert after
child2
the child to insert
Returns the parent (self)
Inserts an child after another child @return the parent (self)

insert_before

Arguments

child1
the child to insert before
child2
the child to insert
Returns the parent (self)
Inserts an child before another child @return the parent (self)

replace_child

Arguments

to_replace
the child to replace (must be a Child)
replacement
the child to insert into the nodelist (must be a Child)

Replaces one child with another, making sure the nodelist is correct

size

Returns the number of children of this parent

unshift

Arguments

object