Class: Contracts::RespondTo
- Inherits:
-
CallableClass
- Object
- CallableClass
- Contracts::RespondTo
- Defined in:
- lib/contracts/builtin_contracts.rb
Overview
Takes a variable number of method names as symbols. The contract passes if the argument responds to all of those methods. Example: RespondTo[:password, :credit_card]
Instance Method Summary collapse
-
#initialize(*meths) ⇒ RespondTo
constructor
A new instance of RespondTo.
- #to_s ⇒ Object
- #valid?(val) ⇒ Boolean
Methods inherited from CallableClass
Constructor Details
#initialize(*meths) ⇒ RespondTo
Returns a new instance of RespondTo.
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# File 'lib/contracts/builtin_contracts.rb', line 151 def initialize(*meths) @meths = meths end |
Instance Method Details
#to_s ⇒ Object
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# File 'lib/contracts/builtin_contracts.rb', line 161 def to_s "a value that responds to #{@meths.inspect}" end |
#valid?(val) ⇒ Boolean
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# File 'lib/contracts/builtin_contracts.rb', line 155 def valid?(val) @meths.all? do |meth| val.respond_to? meth end end |