Add basic lib architecture

1 files changed, 32 insertions, 0 deletions

diff --git a/src/result.rs b/src/result.rs
new file mode 100644
index 0000000..47302ae
--- /dev/null
+++ b/src/result.rs
@@ -0,0 +1,32 @@
+use std::error::Error;
+use std::fmt::{Debug, Display};
+use std::io;
+
+pub type ArchiveResult<R> = Result<R, ArchiveError>;
+
+#[derive(Debug)]
+pub enum ArchiveError {
+    IO(io::Error),
+}
+
+impl From<io::Error> for ArchiveError {
+    fn from(value: io::Error) -> Self {
+        Self::IO(value)
+    }
+}
+
+impl Display for ArchiveError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::IO(err) => write!(f, "{err}"),
+        }
+    }
+}
+
+impl Error for ArchiveError {
+    fn source(&self) -> Option<&(dyn Error + 'static)> {
+        match self {
+            Self::IO(source) => Some(source),
+        }
+    }
+}