underscore(camel_cased_word)
Instance Public methods
Makes an underscored, lowercase form from the expression in the string.
Changes '::' to '/' to convert namespaces to paths.
1 2 | 'ActiveModel'.underscore # => "active_model"'ActiveModel::Errors'.underscore # => "active_model/errors" |
As a rule of thumb you can think of underscore as the inverse
of camelize, though there are cases where that does not hold:
1 | 'SSLError'.underscore.camelize # => "SslError" |
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