Allow memorized variables to be used in inputs or expectations

[acant]

Because of there the inputs and it_with methods are called they cannot normally be passed variables memorized with let or let!. I want to investigate passing symbols into those methods, which will retrieve let values if they are present.

let(:value) { 'foobar' }
let(:result) { 'deadbeef' }

input   :number
it_with 2,      'number_result'
it_with :value, :result