# 7. [Standard ML (MLton)], 7 bytes

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    fun$n=6

[Try it online!][TIO-j3wof3oi] This declares a function `$` which takes any argument and returns `6`, eg. by calling with `$()`.

[Standard ML (MLton)]: http://www.mlton.org/
[TIO-j3wof3oi]: https://tio.run/##K87N0c3NKcnP@/8/rTRPJc/W7H9ZYo5CvIKtQkFRZl6JhmdeiV5JfnAJkJOuoaKhqan5HwA "Standard ML (MLton) – Try It Online"