class Contracts::Builtin::CollectionOf

@private Takes a collection(responds to :each) type and a contract. The related argument must be of specified collection type. Checks the contract against every element of the collection. If it passes for all elements, the contract passes. Example: CollectionOf[Array, Num]

Public Class Methods

new(collection_class, contract) click to toggle source

# File lib/contracts/builtin_contracts.rb, line 277
def initialize(collection_class, contract)
  @collection_class = collection_class
  @contract = contract
end

Public Instance Methods

to_s() click to toggle source

# File lib/contracts/builtin_contracts.rb, line 290
def to_s
  "a collection #{@collection_class} of #{@contract}"
end

valid?(vals) click to toggle source

# File lib/contracts/builtin_contracts.rb, line 282
def valid?(vals)
  return false unless vals.is_a?(@collection_class)
  vals.all? do |val|
    res, _ = Contract.valid?(val, @contract)
    res
  end
end