Genesis commit

1 files changed, 32 insertions, 0 deletions

diff --git a/src/main_result.rs b/src/main_result.rs
new file mode 100644
index 0000000..36e3096
--- /dev/null
+++ b/src/main_result.rs
@@ -0,0 +1,32 @@
+use std::{
+	io::{self, Write},
+	process::{ExitCode, Termination},
+};
+
+use super::error::Error;
+
+pub enum MainResult {
+	Success,
+	Failure(Error),
+}
+
+impl Termination for MainResult {
+	fn report(self) -> ExitCode {
+		match self {
+			Self::Success => ExitCode::SUCCESS,
+			Self::Failure(e) => {
+				let _ = write!(io::stderr(), "{e}");
+				ExitCode::FAILURE
+			}
+		}
+	}
+}
+
+impl From<Result<(), Error>> for MainResult {
+	fn from(r: Result<(), Error>) -> Self {
+		match r {
+			Ok(()) => Self::Success,
+			Err(e) => Self::Failure(e),
+		}
+	}
+}