Professional, Software

It’s far from a groundbreaking invention, but there’s something very satisfying about this way of finding the smallest value in a Swift array of Integers:

var minimum = someArray.reduce(Int.max, min)



Just because you can, doesn’t mean you should

Python lets programmers redefine initializers at runtime. Don’t do that.

Screen Shot 2017-05-19 at 19.07.53

The C preprocessor lets programmers redefine “true”. Don’t do that.

Screen Shot 2017-05-19 at 17.11.35

Swift lets programmers use very foolish variable names. This may be the lesser sin, but still, don’t do that.

Screen Shot 2017-05-19 at 17.07.26

Given python has a reputation for relatively defect-free code, it’s remarkable how few guards it has for enforcing good code — no type safety, no access modifiers, only enforced indentation.