class NonNilValidator
Validates that an attribute’s value is not ‘nil`, but does allow blank, so is an alternative to `validate :attribute, presence: true` when empty should be allowed, but not `nil`.
@example Validation declaration
validates :attribute, non_nil: true
Public Instance Methods
Source
# File app/validators/non_nil_validator.rb, line 15 def validate_each(model, attribute, value) if value.nil? model.errors.add(attribute, :nil) end end
Validates ‘value` is not `nil`. If `value` is `nil`, then the `:nil` error message is added to `attribute` on `model`.
@param model [#errors] the ActiveModel or ActiveRecord being validated @param attribute [Symbol] the name of the attribute being validated whose value is ‘value`. @param value [Object, nil] the value of `attribute`. @return [void]