The puppetlabs-stdlib module contains useful functions for working with arrays, including: The Array data type The data type of arrays is Array. Conditional statements and expressions - Puppet Array[Integer, 6] — matches an array containing at least six integers. Puppet Function: member (Ruby 3.x API) - PuppetModule.info So, I named this blog post to help other folk who are thinking the same way! The fix is the map function. Language: Data types: Arrays - puppet.com Array operators * (splat) << (append) + (concatenation) - (removal) Hash operators + (merging) - (removal) Assignment operator = (assignment) Expand Expressions are statements that resolve to values. Puppet module ploperations/interval on Puppet Forge Array[Float, 6, 12] — matches an array containing at least six and at most 12 floating-point numbers. 在Ruby中将数组转换为json（Puppet，facter）(Converting array to json in Ruby ... world record badminton players alko caravan brake drums egon name pronunciation . Module Author Puppet Operations ploperations. Get a Random Value from an Array. In the case of arrays, all elements are conatenated. The function will get called once for each item in the array. The items of an array are allocated at adjacent memory locations. puppet boolean operators Built-in function reference - Puppet Data Structures and Algorithms - Arrays - Tutorials Point array::operator[] - C++ Reference - cplusplus.com By default, Array matches arrays of any length, provided all values in the array match the abstract data type Data . Note: Since Puppet 4 the minus (-) operator in the Puppet language does the same thing: ['a', 'b', 'c'] - ['b', 'c', 'd'] Would return: ['a'] Returns: Array The difference between the two given arrays.