Class: Contracts::Send
- Inherits:
-
CallableClass
- Object
- CallableClass
- Contracts::Send
- Defined in:
- lib/contracts/builtin_contracts.rb
Overview
Takes a variable number of method names as symbols. Given an argument, all of those methods are called on the argument one by one. If they all return true, the contract passes. Example: Send[:valid?]
Instance Method Summary collapse
-
#initialize(*meths) ⇒ Send
constructor
A new instance of Send.
- #to_s ⇒ Object
- #valid?(val) ⇒ Boolean
Methods inherited from CallableClass
Constructor Details
#initialize(*meths) ⇒ Send
Returns a new instance of Send.
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# File 'lib/contracts/builtin_contracts.rb', line 172 def initialize(*meths) @meths = meths end |
Instance Method Details
#to_s ⇒ Object
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# File 'lib/contracts/builtin_contracts.rb', line 182 def to_s "a value that returns true for all of #{@meths.inspect}" end |
#valid?(val) ⇒ Boolean
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# File 'lib/contracts/builtin_contracts.rb', line 176 def valid?(val) @meths.all? do |meth| val.send(meth) end end |