26 lines
570 B
Markdown
26 lines
570 B
Markdown
# Objects disclaimer
|
|
|
|
Touch Develop docs for the micro:bit #docs #contents #apis #functions #language #statements
|
|
|
|
### Memory management on the micro-bit
|
|
|
|
New user-defined object types are allocated on the heap and are ref-counted. Our ref-counting algorithm does *not* have a cycle collector. (See Wikipedia.)
|
|
|
|
### Practical consequences
|
|
|
|
This means that the following script will result in an out-of-memory error.
|
|
|
|
![](/static/mb/object-disclaimer-0.png)
|
|
|
|
```
|
|
while (true) {
|
|
let l = new List()
|
|
l.next = l
|
|
}
|
|
```
|
|
|
|
### How to avoid this?
|
|
|
|
Don't do it. It's bad.
|
|
|