logcall 0.1.13

An attribute macro that logs the function return value.
Documentation 
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#[logcall::logcall("info")]
async fn f(a: u32) -> u32 {
    a
}

#[logcall::logcall(ok = "info")]
async fn g(a: u32) -> Result<u32, u32> {
    Ok(a)
}

#[logcall::logcall(err = "info")]
async fn h(a: u32) -> Result<u32, u32> {
    Ok(a)
}

#[logcall::logcall(ok = "info", err = "info")]
async fn i(a: u32) -> Result<u32, u32> {
    Ok(a)
}

#[logcall::logcall(some = "info")]
async fn j(a: u32) -> Option<u32> {
    Some(a)
}

#[logcall::logcall(none = "info")]
async fn k(a: u32) -> Option<u32> {
    Some(a)
}

#[logcall::logcall(some = "info", none = "info")]
async fn l(a: u32) -> Option<u32> {
    Some(a)
}

#[tokio::main]
async fn main() {
    f(1).await;
    g(1).await.ok();
    h(1).await.ok();
    i(1).await.ok();
    j(1).await.unwrap();
    k(1).await.unwrap();
    l(1).await.unwrap();
}