`v-memo`

[sxzz]

v-memo in vapor mode is completely different, compared to vue-core. Since in vapor mode, we use effect (aka watchEffect) to track & update DOM nodes.

So to implement it, I think watch function is enough.

<div v-memo="[msg]">{{ msg }}{{ count }}</div>

Compiles to

watch([msg], () => {
  setText(...)
})

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• [ ] Runtime watch function
• [ ] Compiler part