changelog + fix docstrings

Author: zth

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## Next version
 
-- Add `Iterator.forEach` and `AsyncIterator.forEach` helpers for iterators.
+- Add `Iterator.forEach` and `AsyncIterator.forEach` helpers for iterators https://github.com/rescript-association/rescript-core/pull/175
 - Add `Dict.getUnsafe` https://github.com/rescript-association/rescript-core/pull/167
 
 ### Documentation

src/Core__AsyncIterator.resi

@@ -65,11 +65,12 @@ See [iterator protocols](https://developer.mozilla.org/en-US/docs/Web/JavaScript
 
 ## Examples
 ```rescript
-await someAsyncIterator->AsyncIterator.forEach(value => {
-  if value > 10 {
-    Console.log("More than 10!")
+await someAsyncIterator->AsyncIterator.forEach(value =>
+  switch value {
+  | Some(value) if value > 10 => Console.log("More than 10!")
+  | _ => ()
   }
-})
+)
 ```
 */
 let forEach: (t<'a>, option<'a> => unit) => promise<unit>

src/Core__Iterator.resi

@@ -86,11 +86,12 @@ See [iterator protocols](https://developer.mozilla.org/en-US/docs/Web/JavaScript
 
 ## Examples
 ```rescript
-someIterator->Iterator.forEach(value => {
-  if value > 10 {
-    Console.log("More than 10!")
+someIterator->Iterator.forEach(value =>
+  switch value {
+  | Some(value) if value > 10 => Console.log("More than 10!")
+  | _ => ()
   }
-})
+)
 ```
 */
 let forEach: (t<'a>, option<'a> => unit) => unit