Skip function call when required parameter is nil?

[jrose (Jordan Rose)]

It has been discussed before:

Optional Argument Chaining

Hi all, I'd like to propose a syntax addition that acts to ease some things that I believe should fall under the umbrella of 'optional chaining'. Optional chaining allows us to access the properties of an optional value and return nil if any link in that chain breaks. I propose we introduce syntax to allow similar chaining when passing optional valued parameters to functions that expect that parameter to be non-optional. The example below is taken from a project I'm working on at the moment: /…

(and possibly elsewhere)

I've definitely run into the need for this myself, but I haven't seen a way to spell it that's significantly better than map for clarity.