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kotlinlang

which of `also`,`run`,`let`,`apply` etc should I use:
1. the extension must be lambda that takes one parameter (like let), can't be `this`
2. it automatically returns the input just like `apply` does

i guess i need
```
public inline fun &lt;T, R&gt; T.poo(
    block: (T) → R
): T
```

<https://kotlinlang.org/docs/reference/coding-conventions.html#using-scope-functions-applywithrunalsolet>

<https://gist.github.com/arekolek/91bec2e6ba98446f39d60a7ea2c52f71>

<@U3D0A5GP9> Why do you need `block` to return `R` type if you doesn't use it?

Ok, I see you've sorted it out :slightly_smiling_face: