Class: Contracts::Nat

Inherits:
Object
  • Object
show all
Defined in:
lib/contracts/builtin_contracts.rb

Overview

Check that an argument is a natural number.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.test_data ⇒ Object 



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# File 'lib/contracts/builtin_contracts.rb', line 77

def self.test_data
  (0..5).map { |n| n * rand(999) }
end

.valid?(val) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/contracts/builtin_contracts.rb', line 69

def self.valid? val
  val >= 0 && val.integer?
end

Instance Method Details

#testable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/contracts/builtin_contracts.rb', line 73

def testable?
  true
end