Golang has a feature that I love in general but that makes it very easy to keep unintended allocations around. If you have a struct with a simple int field, and you store that somewhere as an *int, the entire struct and anything it points to will be kept alive. This is super useful for short-lived pointers, and super dangerous for long-lived pointers.
Most other widely used GCed languages don’t allow the use of arbitrary interior pointers (though most GCs can actually handle them at the register level).
Most other widely used GCed languages don’t allow the use of arbitrary interior pointers (though most GCs can actually handle them at the register level).