Built-ins

This section lists the values and functions built into the Nix language evaluator. All built-ins are available through the global builtins constant.

Some built-ins are also exposed directly in the global scope:

• derivation
• derivationStrict
• abort
• baseNameOf
• break
• dirOf
• false
• fetchGit
• fetchMercurial
• fetchTarball
• fetchTree
• fromTOML
• import
• isNull
• map
• null
• placeholder
• removeAttrs
• scopedImport
• throw
• toString
• true

<dl> <dt id="builtins-derivation"><a href="#builtins-derivation"><code>derivation <var>attrs</var></code></a></dt> <dd><p><var>derivation</var> is described in <a href="derivations.md">its own section</a>.</p></dd>