This week I learned 47

This week I learned that you can emulate Rust’s if let Some(e) ... syntax in C++.

std::optional has pointer semantics – meaning it has an operator bool overload. You can use this to limit its scope to a conditional statement just like if let Some(e)

if (auto opt = ...) {
  /* 
   * opt.has_value() is true! safe to access the underlying value with `value()`
   */
  Foo(std::move(opt.value()))
} else {
  /* opt.has_value() is false! */
}