doc comments not matching with method return type

[keepsimple1]

rust-prometheus/src/encoder/mod.rs

Lines 19 to 20 in ac86a26

	/// format and writes the resulting lines to `writer`. It returns the number
	/// of bytes written and any error encountered. This function does not

This method actually returns () if successful.

[mxinden]

Great catch. Mind sending in a patch @keepsimple1?

[keepsimple1]

@mxinden please take a look at the linked PR when you have time? Thanks.

[mxinden]

Unfortunately I no longer have permissions on this repository to e.g. approve CI to run. (Not complaining, this is fine, I haven't been involved much recently ❤️.)

Maybe @lucab can help?