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.