From 3383faeaf8342cf4637b6d9a9dfba30b1684edca Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Sun, 31 Jul 2022 13:26:41 +0200
Subject: feat: add hide impl of Injectable from documentation

This will make it so that by default the impl of Injectable is hidden from user code documentation. This commit also includes a flag for the injectable macro to disable the aforementioned feature
---
 macros/src/util/iterator_ext.rs | 28 ++++++++++++++++++++++++++++
 macros/src/util/mod.rs          |  1 +
 2 files changed, 29 insertions(+)
 create mode 100644 macros/src/util/iterator_ext.rs
 create mode 100644 macros/src/util/mod.rs

(limited to 'macros/src/util')

diff --git a/macros/src/util/iterator_ext.rs b/macros/src/util/iterator_ext.rs
new file mode 100644
index 0000000..86db6cb
--- /dev/null
+++ b/macros/src/util/iterator_ext.rs
@@ -0,0 +1,28 @@
+use std::collections::HashMap;
+use std::hash::Hash;
+
+pub trait IteratorExt<Item>
+{
+    fn find_duplicate(&mut self) -> Option<Item>;
+}
+
+impl<Iter> IteratorExt<Iter::Item> for Iter
+where
+    Iter: Iterator,
+    Iter::Item: Eq + Hash + Copy,
+{
+    fn find_duplicate(&mut self) -> Option<Iter::Item>
+    {
+        let mut iterated_item_map = HashMap::<Iter::Item, ()>::new();
+
+        for item in self {
+            if iterated_item_map.contains_key(&item) {
+                return Some(item);
+            }
+
+            iterated_item_map.insert(item, ());
+        }
+
+        None
+    }
+}
diff --git a/macros/src/util/mod.rs b/macros/src/util/mod.rs
new file mode 100644
index 0000000..fe2fbbc
--- /dev/null
+++ b/macros/src/util/mod.rs
@@ -0,0 +1 @@
+pub mod iterator_ext;
-- 
cgit v1.2.3-18-g5258