to_mime works

src/mime/field.rs

@@ -8,10 +8,10 @@ use nom::{
 use crate::text::whitespace::obs_crlf;
 use crate::text::misc_token::{Unstructured, unstructured};
 use crate::rfc5322::identification::{MessageID, msg_id};
-use crate::header::{field_name};
+use crate::header::{field_name, CompFieldList};
 use crate::mime::r#type::{NaiveType, naive_type};
 use crate::mime::mechanism::{Mechanism, mechanism};
-//use crate::mime::mime::MIME;
+use crate::mime::mime::MIME;
 
 #[derive(Debug, PartialEq)]
 pub enum Content<'a> {
@@ -20,9 +20,9 @@ pub enum Content<'a> {
     ID(MessageID<'a>),
     Description(Unstructured<'a>),
 }
-/*impl<'a> CompFieldList<Content<'a>> {
-    pub fn to_mime(&self) -> MIME { self.into() }
-}*/
+impl<'a> CompFieldList<'a, Content<'a>> {
+    pub fn to_mime(self) -> MIME<'a> { self.known().into_iter().collect::<MIME>() }
+}
 
 pub fn content(input: &[u8]) -> IResult<&[u8], Content> {
     terminated(alt((

src/mime/mime.rs

@@ -6,14 +6,14 @@ use crate::mime::field::Content;
 
 #[derive(Debug, PartialEq, Default)]
 pub struct MIME<'a> {
-    pub content_type: Option<&'a NaiveType<'a>>,
-    pub content_transfer_encoding: Option<&'a Mechanism<'a>>,
-    pub content_id: Option<&'a MessageID<'a>>,
-    pub content_description: Option<&'a Unstructured<'a>>,
+    pub content_type: Option<NaiveType<'a>>,
+    pub content_transfer_encoding: Option<Mechanism<'a>>,
+    pub content_id: Option<MessageID<'a>>,
+    pub content_description: Option<Unstructured<'a>>,
 }
 
-impl<'a> FromIterator<&'a Content<'a>> for MIME<'a> {
-    fn from_iter<I: IntoIterator<Item = &'a Content<'a>>>(source: I) -> Self {
+impl<'a> FromIterator<Content<'a>> for MIME<'a> {
+    fn from_iter<I: IntoIterator<Item = Content<'a>>>(source: I) -> Self {
         source.into_iter().fold(
             MIME::default(),
             |mut section, field| {