Class: Cuprum::Collections::Constraints::AttributeName

Inherits:

Stannum::Constraints::Hashes::IndifferentKey

• Object
• Stannum::Constraints::Hashes::IndifferentKey
• Cuprum::Collections::Constraints::AttributeName

Defined in:

lib/cuprum/collections/constraints/attribute_name.rb

Overview

Asserts that the object is a non-empty String or Symbol.

Constant Summary

NEGATED_TYPE =

The :type of the error generated for a matching object.

'cuprum.collections.constraints.is_valid_attribute_name'

TYPE =

The :type of the error generated for a non-matching object.

'cuprum.collections.constraints.is_not_valid_attribute_name'

Class Method Summary

• .instance ⇒ Cuprum::Collections::Constraints::AttributeName

  A cached instance of the constraint with default options.

Class Method Details

.instance ⇒ Cuprum::Collections::Constraints::AttributeName

Returns a cached instance of the constraint with default options.

Returns:

• (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