# Code blocks
```
This is a codeblock
```
```rust
// This links to a playpen
```
```bash,editable
# This is an editable codeblock
```
```text cls1,,cls2 cls3
Text with different classes.
```
Indented
code
block.
```rust,edition2021
let x = 1;
```
```rust
fn main() {
println!("hello");
}
```