class Cuprum::Collections::Constraints::AttributeName
Asserts that the object is a non-empty String or Symbol.
Constants
- NEGATED_TYPE
The :type of the error generated for a matching object.
- TYPE
The :type of the error generated for a non-matching object.
Public Class Methods
instance()
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@return [Cuprum::Collections::Constraints::AttributeName] a cached
instance of the constraint with default options.
# File lib/cuprum/collections/constraints/attribute_name.rb, line 18 def self.instance @instance ||= new end