Type Alias Handler 

pub type Handler = Arc<dyn Fn(&dyn Shell, &ArgMatches) -> Result<ExitCode, ShellError> + Send + Sync>;

A shared closure that handles a parsed command.

Return HANDLER_SUCCESS on success, ShellError::CommandNotFound to pass control to the next handler, or another ShellError to abort.

Aliased Type

pub struct Handler { /* private fields */ }