Add FromStr for Recipients

src/message/error.rs

@@ -1,4 +1,4 @@
-use {crate::prelude::ParseHostError, std::fmt};
+use {crate::prelude::{ParseHostError, ParseMailboxError}, std::fmt};
 
 #[derive(Debug, PartialEq)]
 /// Errors which can occur when parsing a request
@@ -8,6 +8,7 @@ pub enum Error {
     EmptyHost,
     EmptyMessage,
     ParseHostError(ParseHostError),
+    ParseMailboxError(ParseMailboxError),
     MalformedLink,
 }
 
@@ -34,3 +35,9 @@ impl From<ParseHostError> for Error {
         Self::ParseHostError(value)
     }
 }
+
+impl From<ParseMailboxError> for Error {
+    fn from(value: ParseMailboxError) -> Self {
+        Self::ParseMailboxError(value)
+    }
+}

src/message/mod.rs

@@ -1,4 +1,4 @@
-use crate::prelude::{Host, Mailbox};
+use crate::prelude::Mailbox;
 use std::{fmt, str::FromStr};
 
 #[cfg(feature = "serde")]
@@ -25,6 +25,22 @@ impl fmt::Display for Recipients {
     }
 }
 
+impl FromStr for Recipients {
+    type Err = Error;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let mut rec = Recipients { boxes: vec![] };
+        if let Some(s) = s.strip_prefix(':') {
+            s.split_whitespace().try_for_each(|r| {
+                let r = r.parse()?;
+                rec.boxes.push(r);
+                Ok::<(), Error>(())
+            })?;
+        }
+        Ok(rec)
+    }
+}
+
 #[derive(Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
 pub struct Message {