Add new protocol crate with basic types and operations

1 files changed, 8 insertions, 0 deletions

diff --git a/protocol/src/member/error.rs b/protocol/src/member/error.rs
new file mode 100644
index 0000000..143329c
--- /dev/null
+++ b/protocol/src/member/error.rs
@@ -0,0 +1,8 @@
+#[derive(Debug, thiserror::Error)]
+pub enum EMailAddressParseError {
+    #[error("Invalid email format")]
+    InvalidFormat,
+
+    #[error("Account or domain cannot be empty")]
+    EmptyPart,
+}