mem: a native memory operations packge for golang, which contains C's functions: memcmp, memcpy, memmove, memset
mem depends unsafe, be carefull of yourslef when you use it.
test only simple native types and slice, such as int8, uint32, uint64, int32 slice, etc.
do not call it when memorry src or dst address is complex struct or expand the struct into simple types to call this packge :)
example:
import (
"mem"
)
func test() {
var ii int = 2;
var ss [5]byte;
if cap(ss) > 4 { //make sure dst and src capcity >= len
mem.Memcpy( unsafe.Pointer(&ss[0]), unsafe.Pointer(&ii), 4) //for slice, get &ss[n] address not &ss
}
}