Macro rivia::trying

macro_rules! trying {
    ($e:expr) => { ... };
}

Return an iterator Err type conveniently

Examples

use rivia::prelude::*;

fn trying_func<T: AsRef<Path>>(vfs: Vfs, path: T) -> Option<RvResult<PathBuf>> {
    Some(Ok(trying!(vfs.abs(path.as_ref()))))
}

let vfs = Vfs::memfs();
assert_eq!(trying_func(vfs, "").unwrap().unwrap_err().to_string(), "path empty");