Can't complie examples

[Chris1717]

Hi, I'm new to Rust and would need audio playback for my project. I can't compile your examples. Can you please help me? Thanks.

error[E0061]: this function takes 1 argument but 2 arguments were supplied --> src/main.rs:15:19	15	let mut manager = AudioManager::new(	^^^^^^^^^^^^^^^^^ expected 1 argument 16	CpalBackend::new()?,
17	AudioManagerSettings::default(),
------------------------------- supplied 2 arguments

note: associated function defined here --> /Users/christian/.cargo/registry/src/github.com-1ecc6299db9ec823/kira-0.5.3/src/manager/mod.rs:143:9 | 143 | pub fn new(settings: AudioManagerSettings) -> Result<Self, SetupError> { | ^^^

error[E0277]: the ? operator can only be used in a function that returns Result or Option (or another type that implements FromResidual) --> src/main.rs:16:23	8	/ fn abc() { 9		extern crate kira; 10		extern crate kira_cpal; 11		extern crate kira_loaders; ...	16		CpalBackend::new()?,		^ cannot use the ? operator in a function that returns () ...	19		Result::<(), Box>::Ok(()) 20		}		_- this function should return Result or Option to accept ?

= help: the trait FromResidual<Result<Infallible, DeviceSetupError>> is not implemented for ()

error[E0277]: the ? operator can only be used in a function that returns Result or Option (or another type that implements FromResidual) --> src/main.rs:18:2	8	/ fn abc() { 9		extern crate kira; 10		extern crate kira_cpal; 11		extern crate kira_loaders; ...	18		)?;		^ cannot use the ? operator in a function that returns () 19		Result::<(), Box>::Ok(()) 20		}		_- this function should return Result or Option to accept ?

= help: the trait FromResidual<Result<Infallible, SetupError>> is not implemented for ()

error[E0308]: mismatched types --> src/main.rs:19:1	19	Result::<(), Box>::Ok(())	^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected (), found enum Result

= note: expected unit type () found enum Result<(), Box<dyn std::error::Error>> help: consider using a semicolon here	19	Result::<(), Box>::Ok(());	+ help: try adding a return type
8	fn abc() -> Result<(), Box> {
+++++++++++++++++++++++++++++++++++++++++

[tesselode]

Hi, the book is for Kira v0.6, which is in beta. I'll add a message to the readme to make that more clear.

Edit: readme updated. If you have any other issues, let me know!