3 ms·

Absolutely non-intuitive?

• gh0zt 13y ago
  I think the point here is that you'd have to do something like this $x = new Number(1) $y = clone $x; $y->absolute(); to work with the absolute value of variable $x without actually changing $x
• agumonkey 13y ago
  Yes, this is a common source of bugs when you're not sure what is changing. See below, someone suggests to use 'to' and 'as' prefix to convey immutable / mutable methods.