IIRC, one shot continuations can be made pretty efficient, effectively folding back into a single stack. If there's a simple way to safely express this in wasm

IIRC, one shot continuations can be made pretty efficient, effectively folding back into a single stack. If there's a simple way to safely express this in wasm that might be the right balance. If you want multishot continuations you'd need to explicitly clone the one-shot continuation.