Implement beginning of a FETCH command

1 files changed, 11 insertions, 0 deletions

diff --git a/src/mail/mod.rs b/src/mail/mod.rs
index bbb553a..8dc42c4 100644
--- a/src/mail/mod.rs
+++ b/src/mail/mod.rs
@@ -1,3 +1,5 @@
+use std::convert::TryFrom;
+
 pub mod mailbox;
 pub mod uidindex;
 pub mod unique_ident;
@@ -9,3 +11,12 @@ pub struct IMF<'a> {
     raw: &'a [u8],
     parsed: mail_parser::Message<'a>,
 }
+
+impl<'a> TryFrom<&'a [u8]> for IMF<'a> {
+    type Error = ();
+
+    fn try_from(body: &'a [u8]) -> Result<IMF<'a>, ()> {
+        let parsed = mail_parser::Message::parse(body).ok_or(())?;
+        Ok(Self { raw: body, parsed })
+    }
+}