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isNull

builtins.isNull

Primop
Docs pulled from | This Revision | about 5 hours ago

Takes 1 arguments

e


Return true if e evaluates to null, and false otherwise.

This is equivalent to e == null.

This function is not defined in a .nix file. It is likely a builtins function or an alias of a builtins function. builtins functions are predefined functions provided by Nix.

Noogle detected

Detected Type
isNull :: a -> Bool

Implementation

This function is implemented in c++ and is part of the native nix runtime.