+#
+# has_key.rb
+#
module Puppet::Parser::Functions
-
- newfunction(:has_key, :type => :rvalue, :doc => <<-'ENDHEREDOC') do |args|
+ newfunction(:has_key, :type => :rvalue, :doc => <<-'DOC') do |args|
Determine if a hash has a certain key value.
Example:
notice('this will be printed')
}
- ENDHEREDOC
+ Note: Since Puppet 4.0.0 this can be achieved in the Puppet language with the following equivalent expression:
+
+ $my_hash = {'key_one' => 'value_one'}
+ if 'key_one' in $my_hash {
+ notice('this will be printed')
+ }
+ DOC
unless args.length == 2
- raise Puppet::ParseError, ("has_key(): wrong number of arguments (#{args.length}; must be 2)")
+ raise Puppet::ParseError, "has_key(): wrong number of arguments (#{args.length}; must be 2)"
end
unless args[0].is_a?(Hash)
raise Puppet::ParseError, "has_key(): expects the first argument to be a hash, got #{args[0].inspect} which is of type #{args[0].class}"
end
- args[0].has_key?(args[1])
-
+ args[0].key?(args[1])
end
-
end