Module: Portable::Util::Uniqueness

Included in:
Data::Provider, Document
Defined in:
lib/portable/util/uniqueness.rb

Overview

Mixes in helpers for asserting uniqueness across collections

Defined Under Namespace

Classes: DuplicateNameError

Instance Method Summary collapse

Instance Method Details

#assert_no_duplicate_names(array) ⇒ Object

Raises:



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# File 'lib/portable/util/uniqueness.rb', line 16

def assert_no_duplicate_names(array)
  names = array.map { |a| a.name.downcase }

  return if names.uniq.length == array.length

  raise DuplicateNameError, "cannot contain duplicate names (case insensitive): #{names}"
end