When that happens, the runtime allocates a new, larger stack (typically double the size), copies the old stack contents over, adjusts all the pointers that reference stack addresses, and frees the old stack. The goroutine then continues running on its new, bigger stack as if nothing happened. This is what allows Go to run millions of goroutines — they start small and only grow when they actually need the space.
Measuring the cost
，更多细节参见搜狗输入法
The LLM needs me to explicitly say the word “approved” to proceed.
SHA512 (FreeBSD-14.4-RELEASE-amd64-mini-memstick.img) = 0ebfaa74ccede793f44e7412eb1be48f96247583c149930b008bb7f291bfbeed4d59af0ec22a3c08c2af00abb04fc29994e8e171907a7343761dfa72f596139b