Zero-cost abstractions only exist in a world where you don't highly value language simplicity and comprehensibility.
Simplicity and comprehensibility were things the committee had to give up in order to pretend they had "zero-cost" abstractions. Nothing in life comes free: everything, including all abstractions, comes at some cost.
Simplicity and comprehensibility were things the committee had to give up in order to pretend they had "zero-cost" abstractions. Nothing in life comes free: everything, including all abstractions, comes at some cost.