func Alloc(x interface{}) {
trackedMu.Lock()
defer trackedMu.Unlock()
if t, ok := tracked[x]; ok {
panic(fmt.Errorf("double alloc of %#v (originally allocated by %s)", x, t.allocBy))
}
tracked[x] = &track{
x: x,
allocBy: debug.Callers(1, 100),
}
}
func Realloc(x interface{}) {
trackedMu.Lock()
defer trackedMu.Unlock()
t, ok := tracked[x]
if !ok {
panic(fmt.Errorf("realloc of unknown item %#v", x))
}
if t.closed {
panic(fmt.Errorf("realloc of closed item %#v (allocated by %s)", x, t.allocBy))
}
t.allocBy = debug.Callers(1, 100)
}