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method

inclusion_method

rails latest stable - Class: ActiveModel::Validations::InclusionValidator

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.2.13) is shown here.

inclusion_method(enumerable)
private

In Ruby 1.9 Range#include? on non-numeric ranges checks all possible values in the range for equality, so it may be slow for large ranges. The new Range#cover? uses the previous logic of comparing a value with the range endpoints.