flexaudio-core 0.6.2

Source-agnostic audio capture engine, types, and resampling/normalization core for flexaudio.
Documentation 
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//! Safe shared projection for worker creation failures.
use crate::{Error, ErrorContext, Operation};

/// Keep the I/O classification and numeric OS cause without exposing paths or payloads.
pub fn spawn_error(call: &'static str, error: std::io::Error) -> Error {
    Error::Backend(format!("{call} worker creation failed (I/O kind {:?}, OS code {:?}); release system resources and retry", error.kind(), error.raw_os_error()))
        .with_context(ErrorContext::new(Operation::Start))
}

#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn spawn_failure_retains_kind_and_os_code_without_private_payload() {
        let err = std::io::Error::from_raw_os_error(11);
        let kind = format!("{:?}", err.kind());
        let code = format!("{:?}", err.raw_os_error());
        let error = spawn_error("capture", err);
        assert!(error.to_string().contains(&kind));
        assert!(error.to_string().contains(&code));
        let error = spawn_error(
            "capture",
            std::io::Error::from(std::io::ErrorKind::WouldBlock),
        );
        assert!(error.to_string().contains("WouldBlock"));
        let error = spawn_error("capture", std::io::Error::other("private payload"));
        assert!(!error.to_string().contains("private payload"));
    }
}