8 ms·

one issue is it’s not a type alias but a type encapsulation. This have a cost at runtime, it’s not like in some functionnals languages a non cost abstraction.

• vips7L 7mo ago
  Correctness is more important than runtime costs.
• LelouBil 7mo ago
  In languages like kotlin and rust you can have a type encapsulation like this that does not exist at runtime