frs 0.4.2

Rename files with RegEx patterns
Documentation 
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#[cfg(test)]
#[path = "./error_handler_test.rs"]
pub mod error_handler_test;

#[macro_export]
macro_rules! try_wrap_err {
    ($res:expr) => {
        match $res {
            Ok(ok) => ok,
            Err(error) => return Some(Err(error.into())),
        }
    };
}