diff options
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/delete_values.rb')
m--------- | puppet/modules/stdlib | 0 | ||||
-rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/delete_values.rb | 26 |
2 files changed, 26 insertions, 0 deletions
diff --git a/puppet/modules/stdlib b/puppet/modules/stdlib deleted file mode 160000 -Subproject 71123634744b9fe2ec7d6a3e38e9789fd84801e diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/delete_values.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/delete_values.rb new file mode 100644 index 00000000..f6c8c0e6 --- /dev/null +++ b/puppet/modules/stdlib/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 |