feat(term): add Annotated::project

ymgyt · Apr 13, 2024 · ddb1c0a · ddb1c0a
1 parent a1646a5
commit ddb1c0a
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Showing 2 changed files with 24 additions and 0 deletions.
diff --git a/crates/synd_feed/src/types/category.rs b/crates/synd_feed/src/types/category.rs
@@ -28,6 +28,10 @@ impl<'a> Category<'a> {
         Ok(Self(c.into()))
     }
 
+    pub fn as_str(&self) -> &str {
+        self.0.as_ref()
+    }
+
     pub fn into_inner(self) -> Cow<'a, str> {
         self.0
     }

diff --git a/crates/synd_feed/src/types/mod.rs b/crates/synd_feed/src/types/mod.rs
@@ -111,6 +111,26 @@ pub struct Annotated<T> {
     pub category: Option<Category<'static>>,
 }
 
+impl<T> Annotated<T> {
+    pub fn project<U>(&self, f: impl Fn(&T) -> U) -> Annotated<U> {
+        Annotated {
+            feed: f(&self.feed),
+            requirement: self.requirement,
+            category: self.category.clone(),
+        }
+    }
+}
+
+impl<T> Annotated<T> {
+    pub fn new(feed: T) -> Self {
+        Self {
+            feed,
+            requirement: None,
+            category: None,
+        }
+    }
+}
+
 impl FeedMeta {
     pub fn r#type(&self) -> &FeedType {
         &self.feed_type