class Mongoid::Matchable::Exists
Checks for existance.
Public Instance Methods
matches?(value)
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Return true if the attribute exists and checking for existence or return true if the attribute does not exist and checking for non-existence.
@example Does anything exist?
matcher.matches?({ :key => 10 })
@param [ Hash ] value The values to check.
@return [ true, false ] If a value exists.
# File lib/mongoid/matchable/exists.rb, line 17 def matches?(value) @attribute.nil? != value.values.first end