Class: Contracts::Builtin::Send
- Inherits:
-
CallableClass
- Object
- CallableClass
- Contracts::Builtin::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.
173 174 175 |
# File 'lib/contracts/builtin_contracts.rb', line 173 def initialize(*meths) @meths = meths end |
Instance Method Details
#to_s ⇒ Object
183 184 185 |
# File 'lib/contracts/builtin_contracts.rb', line 183 def to_s "a value that returns true for all of #{@meths.inspect}" end |
#valid?(val) ⇒ Boolean
177 178 179 180 181 |
# File 'lib/contracts/builtin_contracts.rb', line 177 def valid?(val) @meths.all? do |meth| val.send(meth) end end |