func makeslice(et *_type, len, cap int) slice
源代码中返回 unsafe.Pointer
func makeslice(et *_type, len, cap int) unsafe.Pointer
https://github.com/golang/go/blob/master/src/runtime/slice.go
深度解密Go语言之unsafe目录 指针类型[https://www.cnblogs.com/qcrao-2018/p/10964692.html#%E6%8C%87%E9%92%88%E7%B1%BB%...