Nix Function

#nix #nixos #language #programming #functional

  • The body and the arguments are separated by :
  • The body is on the right side and the arguments on the left
  • Only has one argument
  • The calling of the function and its arguments are separated by space

Curried Function

let
	f = x: y: x + y;
in
	f 1
<LAMBDA>

Attribute Set Arguments (Destructuring)

It is waiting for a specific structure of arguments separated by comma

let
 f = {a, b}: a + b;
in
 f {a=1; b=2;}
 3

Named Attribute Set Argument

let
 f = {a,b,...}@args: a + b + arg.c;
in
 f {a=1; b=2; c=3;}
6

References

https://nix.dev/tutorials/nix-language#functions

Links to this page
#nix #nixos #language #programming #functional