diff options
author | Dan Bode <dan@puppetlabs.com> | 2011-07-29 15:42:53 -0700 |
---|---|---|
committer | Dan Bode <dan@puppetlabs.com> | 2011-07-29 15:42:53 -0700 |
commit | 2e3d49d17448ae799c88470f2bb5b09d463bbe22 (patch) | |
tree | 99d67fcb0a3d1fe02a4c20c715b42b44dc62aea4 /lib/puppet/parser/functions/has_key.rb | |
parent | 9560b6336cc983b65aaff909f4fb2e983dfd7012 (diff) | |
parent | c4a13acafeee87359d1fd72abeccdab7b9d5fee1 (diff) |
Merge branch 'feature/master/add_merge_has_key'
Diffstat (limited to 'lib/puppet/parser/functions/has_key.rb')
-rw-r--r-- | lib/puppet/parser/functions/has_key.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/has_key.rb b/lib/puppet/parser/functions/has_key.rb new file mode 100644 index 0000000..9c1c4c3 --- /dev/null +++ b/lib/puppet/parser/functions/has_key.rb @@ -0,0 +1,27 @@ +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 |