copy-paste problems

src/assignments/assignment07/generator.rs

@@ -0,0 +1,36 @@
+//! Generators
+
+enum Yielded<T> {
+    Value(T),
+    Stop,
+}
+
+/// Generator
+///
+/// Reference:
+/// - [Python generator](https://python-reference.readthedocs.io/en/latest/docs/generator/)
+#[allow(missing_debug_implementations)]
+pub struct Generator<T, S> {
+    state: S,
+    f: fn(&mut S) -> Yielded<T>,
+}
+
+impl<T, S> Iterator for Generator<T, S> {
+    type Item = T;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        todo!()
+    }
+}
+
+/// Returns a generator that yields fibonacci numbers.
+pub fn fib_generator(first: usize, second: usize) -> Generator<usize, (usize, usize)> {
+    todo!()
+}
+
+/// Returns a generator that yields collatz numbers.
+///
+/// The generator stops when it reaches to 1.
+pub fn collatz_conjecture(start: usize) -> Generator<usize, usize> {
+    todo!()
+}