diff options
author | Micah <micah@leap.se> | 2016-05-24 10:19:33 -0400 |
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committer | Micah <micah@leap.se> | 2016-05-24 10:19:33 -0400 |
commit | 1da5dc55ee48fcd437f5b5df00a5b2f3991ec9f1 (patch) | |
tree | 1794e812d83facd93b3007c42632c63ddf1eb2fc /lib/puppet/parser/functions/has_key.rb |
Squashed 'puppet/modules/stdlib/' content from commit 7112363
git-subtree-dir: puppet/modules/stdlib
git-subtree-split: 71123634744b9fe2ec7d6a3e38e9789fd84801e3
Diffstat (limited to 'lib/puppet/parser/functions/has_key.rb')
-rw-r--r-- | lib/puppet/parser/functions/has_key.rb | 28 |
1 files changed, 28 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 00000000..4657cc29 --- /dev/null +++ b/lib/puppet/parser/functions/has_key.rb @@ -0,0 +1,28 @@ +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 |