Module: Collection
- Included in:
- Array, Set
- Defined in:
- lib/collection/set.rb,
lib/collection/array.rb,
lib/collection/generic.rb,
lib/collection/collection.rb,
lib/collection/controls/array.rb,
lib/collection/controls/member.rb
Defined Under Namespace
Modules: Controls, Generic
Classes: Array, Set
Instance Attribute Summary collapse
Class Method Summary
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Instance Method Summary
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Instance Attribute Details
#type_parameter ⇒ Object
Returns the value of attribute type_parameter.
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# File 'lib/collection/collection.rb', line 7
def type_parameter
@type_parameter
end
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Class Method Details
.Array(items) ⇒ Object
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# File 'lib/collection/collection.rb', line 58
def self.Array(items)
items = Kernel::Array(items)
raise ArgumentError, "Collection can't be empty" if items.empty?
type_parameter = items[0].class
array = Array[type_parameter].new
items.each do |member|
array.add(member)
end
array
end
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.included(cls) ⇒ Object
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# File 'lib/collection/collection.rb', line 2
def self.included(cls)
cls.include Enumerable
cls.extend Generic
end
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.Set(items) ⇒ Object
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# File 'lib/collection/collection.rb', line 42
def self.Set(items)
items = Kernel::Array(items)
raise ArgumentError, "Collection can't be empty" if items.empty?
type_parameter = items[0].class
set = Set[type_parameter].new
items.each do |member|
set.add(member)
end
set
end
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Instance Method Details
#==(other) ⇒ Object
Also known as:
eql?
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# File 'lib/collection/collection.rb', line 37
def ==(other)
other.class == self.class && other.type_parameter == self.type_parameter && other.content == self.content
end
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#add(val) ⇒ Object
Also known as:
<<
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# File 'lib/collection/collection.rb', line 13
def add(val)
if not val.is_a?(type_parameter)
raise ArgumentError, "#{val.inspect} must be a #{type_parameter.name}"
end
content << val
self
end
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#clear ⇒ Object
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# File 'lib/collection/collection.rb', line 32
def clear
content.clear
self
end
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#each(&action) ⇒ Object
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# File 'lib/collection/collection.rb', line 24
def each(&action)
content.each(&action)
end
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#empty? ⇒ Boolean
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# File 'lib/collection/collection.rb', line 28
def empty?
content.empty?
end
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#initialize(type_parameter) ⇒ Object
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# File 'lib/collection/collection.rb', line 9
def initialize(type_parameter)
@type_parameter = type_parameter
end
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