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# Boolean check to determine whether a variable is of a given data type. This is equivalent to the `=~` type checks.
#
# @example how to check a data type
# # check a data type
# foo = 3
# $bar = [1,2,3]
# $baz = 'A string!'
#
# if $foo.is_a(Integer) {
# notify { 'foo!': }
# }
# if $bar.is_a(Array) {
# notify { 'bar!': }
# }
# if $baz.is_a(String) {
# notify { 'baz!': }
# }
#
# See the documentation for "The Puppet Type System" for more information about types.
# See the `assert_type()` function for flexible ways to assert the type of a value.
#
Puppet::Functions.create_function(:is_a) do
dispatch :is_a do
param 'Any', :value
param 'Type', :type
end
def is_a(value, type) # rubocop:disable Style/PredicateName : Used in to many other places to rename at this time, attempting to refactor caused Rubocop to crash.
# See puppet's lib/puppet/pops/evaluator/evaluator_impl.rb eval_MatchExpression
Puppet::Pops::Types::TypeCalculator.instance?(type, value)
end
end
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