Class: Contracts::Builtin::Enum

Inherits:

CallableClass

• Object
• CallableClass
• Contracts::Builtin::Enum

Defined in:

lib/contracts-ruby2/lib/contracts/builtin_contracts.rb,
lib/contracts-ruby3/lib/contracts/builtin_contracts.rb

Overview

Takes a list of values, e.g. [:a, :b, :c]. If argument is included in the list, the contract passes.

Example: Enum[:a, :b, :c]?

Instance Method Summary

• #initialize(*vals) ⇒ Enum constructor

  A new instance of Enum.

• #valid?(val) ⇒ Boolean

Methods inherited from CallableClass

[]

Constructor Details

#initialize(*vals) ⇒ Enum

Returns a new instance of Enum.

# File 'lib/contracts-ruby2/lib/contracts/builtin_contracts.rb', line 224

def initialize(*vals)
  @vals = vals
end

Instance Method Details

#valid?(val) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/contracts-ruby2/lib/contracts/builtin_contracts.rb', line 228

def valid?(val)
  @vals.include? val
end