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Contents
module Puppet::Parser::Functions
newfunction(:has_key, :type => :rvalue, :doc => <<-'ENDHEREDOC') do |args|
Determine if a hash has a certain key value.
Example:
$my_hash = {'key_one' => 'value_one'}
if has_key($my_hash, 'key_two') {
notice('we will not reach here')
}
if has_key($my_hash, 'key_one') {
notice('this will be printed')
}
ENDHEREDOC
unless args.length == 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])
end
end
Version data entries
50 entries across 50 versions & 5 rubygems