The syntax looks a little funky to me but it's still quite interesting. Is there a reason why you would make fn(1) and fn 1 equivalent? For me personally it makes readability worse and looks strange when chaining functions like in their last example on their landing page.
On mobile horizontal scrolling through the code snippets will trigger switching to the next snippet on my phone.
On mobile horizontal scrolling through the code snippets will trigger switching to the next snippet on my phone.