INNER CODE UNIT · Rust

from_str

RustAudio/cpal · src/lib.rs:329

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        let (host_str, device_str) = s.split_once(':').ok_or_else(|| {
            Error::with_message(
                ErrorKind::InvalidInput,
                format!("failed to parse device ID \"{s}\": expected \"host:device_id\" format"),
            )
        })?;

        let host_id = crate::platform::HostId::from_str(host_str)?;

        Ok(Self::new(host_id, device_str))
    }
}

/// The buffer size requests the callback size for audio streams.
///
/// This controls the approximate size of the audio buffer passed to your callback.
/// The actual callback size depends on the host/platform implementation and hardware

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