method

slice!

v6.1.3.1 - Show latest stable - 0 notes - Class: ActiveModel::Errors

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What's this?

slice!(*keys) public

Removes all errors except the given keys. Returns a hash containing the removed errors.

person.errors.keys                  # => [:name, :age, :gender, :city]
person.errors.slice!(:age, :gender) # => { :name=>["cannot be nil"], :city=>["cannot be nil"] }
person.errors.keys                  # => [:age, :gender]

Show source

# File activemodel/lib/active_model/errors.rb, line 146
    def slice!(*keys)
      deprecation_removal_warning(:slice!)

      keys = keys.map(&:to_sym)

      results = messages.dup.slice!(*keys)

      @errors.keep_if do |error|
        keys.include?(error.attribute)
      end

      results
    end

slice!

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