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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/delete_values.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/delete_values.rb')
-rw-r--r-- | lib/puppet/parser/functions/delete_values.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/delete_values.rb b/lib/puppet/parser/functions/delete_values.rb new file mode 100644 index 00000000..f6c8c0e6 --- /dev/null +++ b/lib/puppet/parser/functions/delete_values.rb @@ -0,0 +1,26 @@ +module Puppet::Parser::Functions + newfunction(:delete_values, :type => :rvalue, :doc => <<-EOS +Deletes all instances of a given value from a hash. + +*Examples:* + + delete_values({'a'=>'A','b'=>'B','c'=>'C','B'=>'D'}, 'B') + +Would return: {'a'=>'A','c'=>'C','B'=>'D'} + + EOS + ) do |arguments| + + raise(Puppet::ParseError, + "delete_values(): Wrong number of arguments given " + + "(#{arguments.size} of 2)") if arguments.size != 2 + + hash, item = arguments + + if not hash.is_a?(Hash) + raise(TypeError, "delete_values(): First argument must be a Hash. " + \ + "Given an argument of class #{hash.class}.") + end + hash.dup.delete_if { |key, val| item == val } + end +end |