Extending conversion

Cargo.toml

@@ -2,7 +2,7 @@
 members = ["internal/ruchei-sample"]
 
 [workspace.package]
-version = "0.0.67" # ad7038ef3b571dc133c108e14e6bb0f8cdcd812d and earlier have invalid versions
+version = "0.0.68" # ad7038ef3b571dc133c108e14e6bb0f8cdcd812d and earlier have invalid versions
 edition = "2021"
 publish = true
 license = "MIT OR Apache-2.0"

src/lib.rs

@@ -1,6 +1,6 @@
 //! Utilities for working with many streams
 
-#![deny(unsafe_code)]
+#![forbid(unsafe_code)]
 
 extern crate self as ruchei;
 

src/pinned_extend.rs

@@ -31,6 +31,30 @@ impl<S, R> Extending<S, R> {
     pub fn new(incoming: R, inner: S) -> Self {
         Self { incoming, inner }
     }
+
+    pub fn as_pin_mut(self: Pin<&mut Self>) -> Pin<&mut S> {
+        self.project().inner
+    }
+
+    pub fn into_inner(self) -> S {
+        self.inner
+    }
+
+    pub fn incoming_pin_mut(self: Pin<&mut Self>) -> Pin<&mut R> {
+        self.project().incoming
+    }
+
+    pub fn incoming(&self) -> &R {
+        &self.incoming
+    }
+
+    pub fn incoming_mut(&mut self) -> &mut R {
+        &mut self.incoming
+    }
+
+    pub fn into_incoming(self) -> R {
+        self.incoming
+    }
 }
 
 impl<S, R> AsRef<S> for Extending<S, R> {
@@ -116,3 +140,12 @@ impl<R> ExteningExt for R {
         Extending::new(self, inner)
     }
 }
+
+impl<S: Default, R> From<R> for Extending<S, R> {
+    fn from(incoming: R) -> Self {
+        Self {
+            incoming,
+            inner: Default::default(),
+        }
+    }
+}