8
Terraform Functions
In Chapter 6, Terraform Backends and Resource Management, you read about Terraform expressions and their different variations and took a look at some use cases. The Terraform language also supports the use of Terraform functions as part of these expressions.
The main use of Terraform’s built-in functions is in expressions and to transform input values and create new values. For example, the toset() function can be used to convert an input value to a set (the input value type can be a list or map), and this can be used in places where the set type is expected.
In this chapter, you will learn about the different built-in functions and their syntax with examples. Not all functions are regularly used, but knowledge of different ...
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