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5 years ago
use std::error::Error;
use log::error;
/// Wrapper for `Result<T, Box<dyn Error>>`.
///
/// # Example
/// ```
/// use rude::result::RudeResult;
///
/// fn example_result() -> RudeResult<()> {
/// Ok(())
/// }
/// ```
pub type RudeResult<T> = Result<T, Box<dyn Error>>;
/// Wrap `?` with an error message to stdout.
pub fn try_print<T, E: Into<Box<dyn Error>>, S: Into<String>>(
result: Result<T, E>,
message: S,
) -> RudeResult<T> {
try_error(result, message, false)
}
/// Wrap `?` with an error message to either stdout or the log.
///
/// * `result` - `Result` type to check for `Error`.
/// * `message` - Message to send to either log or stdout if `result` is `Error`.
/// * `log` - `true` to send `message` to log, otherwise send to stdout.
//pub fn try_error<T, S: Into<String>>(result: Result<T>, message: S, log: bool) -> Result<T> {
pub fn try_error<T, E: Into<Box<dyn Error>>, S: Into<String>>(
result: Result<T, E>,
message: S,
log: bool,
) -> RudeResult<T> {
match result {
Ok(r) => Ok(r),
Err(e) => {
let e = e.into();
if log {
error!("{} :: {}", message.into(), e);
} else {
println!("{} :: {}", message.into(), e);
}
Err(e.into())
}
}
}