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Contents
# frozen_string_literal: true
Puppet::Parser::Functions.newfunction(
:with,
:type => :rvalue,
:arity => -1,
:doc => <<~DOC
Call a [lambda](https://puppet.com/docs/puppet/latest/lang_lambdas.html)
with the given arguments and return the result. Since a lambda's scope is
local to the lambda, you can use the `with` function to create private blocks
of code within a class using variables whose values cannot be accessed outside
of the lambda.
**Example**: Using `with`
~~~ puppet
# Concatenate three strings into a single string formatted as a list.
$fruit = with("apples", "oranges", "bananas") |$x, $y, $z| {
"${x}, ${y}, and ${z}"
}
$check_var = $x
# $fruit contains "apples, oranges, and bananas"
# $check_var is undefined, as the value of $x is local to the lambda.
~~~
- Since 4.0.0
DOC
) do |_args|
Puppet::Parser::Functions::Error.is4x('with')
end
Version data entries
28 entries across 28 versions & 1 rubygems