Re: Array spread append

> I think it would be more intuitive to implement an array "appending" > functionality with "concatenating" syntax. The .= > syntax already exists, > but is forbidden from use on non-strings. If you want to implement this > preexisting syntax as an array concatenation operator, then it is a blank > slate -- you can decree whatever behaviors you wish for it without blurring > what the combined operator does with strings. on github there is a comment about adding an array_concat() instead like js's Array.concat() that would try to avoid the pitfalls of +=, array_push, and current behaviour of .= flipping through the mdn for it, its results seem alright.