15 lines
441 B
Nix
15 lines
441 B
Nix
|
with import <nixpkgs> { };
|
||
|
|
let
|
||
|
|
attrSet = {c = 3; a = 1; b = 2;};
|
||
|
|
#This is an example function that extracts a single value
|
||
|
|
getSingleVal = (attrSet: x: attrSet.${x});
|
||
|
|
|
||
|
|
#tips: use the map function and access the attribute values
|
||
|
|
#in the same way as 'getSingleVal'
|
||
|
|
attrVals = l: s: map (field: s.${field}) l;
|
||
|
|
|
||
|
|
in
|
||
|
|
rec {
|
||
|
|
example = getSingleVal attrSet "a"; #is [1]
|
||
|
|
solution = attrVals ["a" "b" "c"] attrSet; #should be [1 2 3]
|
||
|
|
}
|