mkIf vs if / then

[NobbZ]

@ElvishJerricco

(though it’d be cool if we had a mkIfElse function that took a second argument for the else case)

mkIfElse = p: yes: no: mkMerge [
  (mkIf p yes)
  (mkIf (!p) no)
];

I usually just use this construct inline, rather than calling a function for it.