Class: Algebrick::Matchers::Array

Inherits:
Abstract show all
Defined in:
lib/algebrick/matchers/array.rb

Instance Attribute Summary collapse

Attributes inherited from Abstract

#value

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Abstract

#!, #&, #===, #>, #assign!, #assign?, #assign_to_s, #assigned?, #assigns, #case, #children_including_self, #inspect, #matched?, #to_a, #|

Methods included from TypeCheck

#Child!, #Child?, #Match!, #Match?, #Type!, #Type?

Constructor Details

#initialize(*matchers) ⇒ Array

Returns a new instance of Array.

Raises:

  • (ArgumentError) 


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# File 'lib/algebrick/matchers/array.rb', line 24

def initialize(*matchers)
  super()
  @matchers = matchers
  raise ArgumentError, 'many can be only last' if @matchers[0..-2].any? { |v| v.is_a?(Many) }
end

Instance Attribute Details

#matchers ⇒ Object (readonly)

Returns the value of attribute matchers.



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# File 'lib/algebrick/matchers/array.rb', line 22

def matchers
  @matchers
end

Class Method Details

.call(*matchers) ⇒ Object 



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# File 'lib/algebrick/matchers/array.rb', line 18

def self.call(*matchers)
  new *matchers
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/algebrick/matchers/array.rb', line 38

def ==(other)
  other.kind_of? self.class and
      self.matchers == other.matchers
end

#children ⇒ Object 



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# File 'lib/algebrick/matchers/array.rb', line 30

def children
  find_children @matchers
end

#rest? ⇒ Boolean

Returns:



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# File 'lib/algebrick/matchers/array.rb', line 43

def rest?
  matchers.last.is_a?(Many)
end

#to_s ⇒ Object 



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# File 'lib/algebrick/matchers/array.rb', line 34

def to_s
  "#{assign_to_s}#{"Array.(#{matchers.join(',')})" if matchers}"
end