Class: Contracts::ArrayOf

Inherits:
CallableClass show all
Defined in:
lib/builtin_contracts.rb

Overview

Takes a contract. The related argument must be an array. Checks the contract against every element of the array. If it passes for all elements, the contract passes. Example: ArrayOf[Num]

Instance Method Summary collapse

Methods inherited from CallableClass

[]

Constructor Details

#initialize(contract) ⇒ ArrayOf

Returns a new instance of ArrayOf.



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# File 'lib/builtin_contracts.rb', line 262

def initialize(contract)
  @contract = contract
end

Instance Method Details

#test_data ⇒ Object 



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# File 'lib/builtin_contracts.rb', line 282

def test_data
  [[], [Testable.test_data(@contract)], [Testable.test_data(@contract), Testable.test_data(@contract)]]
end

#testable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/builtin_contracts.rb', line 278

def testable?
  Testable.testable? @contract
end

#to_s ⇒ Object 



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# File 'lib/builtin_contracts.rb', line 274

def to_s
  "an array of #{@contract}"
end

#valid?(vals) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/builtin_contracts.rb', line 266

def valid?(vals)
  return false unless vals.is_a?(Array)
  vals.all? do |val|
    res, _ = Contract.valid?(val, @contract)
    res
  end
end