# stdlib GitHub release Discord chat ![CI](https://github.com/gleam-lang/stdlib/workflows/CI/badge.svg?branch=main) Gleam's standard library! Documentation available on [HexDocs](https://hexdocs.pm/gleam_stdlib/). ## Installation Add `gleam_stdlib` to your Gleam project. ```sh gleam add gleam_stdlib ``` ## Usage Import the modules you want to use and write some code! ```gleam import gleam/string import gleam/list.{contains} fn usage() { string.append("str", "ing") } fn more_usage() { [1, 2, 3] |> contains(any: 2) } ``` ## Targets Gleam's standard library supports both targets: Erlang and JavaScript. ### Compatibility - For Erlang the minimum required OTP version is 22. - For NodeJS the minium required version is the oldest **Maintenance LTS** not marked as *end-of-life* as specified on . Most of the standard library will run on older versions, but there are no garantuees.