/ Ruby on Rails
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method

verify_callable_constraint

rails latest stable - Class: ActionDispatch::Routing::Mapper::Mapping

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v4.2.9) is shown here.

verify_callable_constraint(callable_constraint)
private

No documentation available.

# File actionpack/lib/action_dispatch/routing/mapper.rb, line 224
          def verify_callable_constraint(callable_constraint)
            unless callable_constraint.respond_to?(:call) || callable_constraint.respond_to?(:matches?)
              raise ArgumentError, "Invalid constraint: #{callable_constraint.inspect} must respond to :call or :matches?"
            end
          end