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# Provides the validation functions that get included into a TypedArray
# Namespace TypedArray
module TypedArray
# The functions that get included into TypedArray
module Functions
# Validates outcome. See Array#initialize
def initialize *args, &block
ary = Array.new *args, &block
self.replace ary
end
# Validates outcome. See Array#replace
def replace other_ary
_ensure_all_items_in_array_are_allowed other_ary
super
end
# Validates outcome. See Array#&
def & ary
self.class.new super
end
# Validates outcome. See Array#*
def * int
self.class.new super
end
# Validates outcome. See Array#+
def + ary
self.class.new super
end
# Validates outcome. See Array#<<
def << item
_ensure_item_is_allowed item
super
end
# Validates outcome. See Array#[]
def [] idx
self.class.new super
end
# Validates outcome. See Array#slice
def slice *args
self.class.new super
end
# Validates outcome. See Array#[]=
def []= idx, item
_ensure_item_is_allowed item
super
end
# Validates outcome. See Array#concat
def concat other_ary
_ensure_all_items_in_array_are_allowed other_ary
super
end
# Validates outcome. See Array#eql?
def eql? other_ary
_ensure_all_items_in_array_are_allowed other_ary
super
end
# Validates outcome. See Array#fill
def fill *args, &block
ary = self.to_a
ary.fill *args, &block
self.replace ary
end
# Validates outcome. See Array#push
def push *items
_ensure_all_items_in_array_are_allowed items
super
end
# Validates outcome. See Array#unshift
def unshift *items
_ensure_all_items_in_array_are_allowed items
super
end
# Validates outcome. See Array#map!
def map! &block
self.replace( self.map &block )
end
protected
# Ensure that all items in the passed Array are allowed
def _ensure_all_items_in_array_are_allowed ary
# If we're getting an instance of self, accept
return true if ary.is_a? self.class
_ensure_item_is_allowed( ary, [Array] )
ary.each do |item|
_ensure_item_is_allowed(item)
end
end
# Ensure that the specific item passed is allowed
def _ensure_item_is_allowed item, expected=nil
return true if item.nil? #allow nil entries
expected = self.class.restricted_types if expected.nil?
expected.each do |allowed|
return true if item.class <= allowed
end
raise TypedArray::UnexpectedTypeException.new expected, item.class
end
end
end
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