Initial commit

src/vector/map.rs

@@ -0,0 +1,37 @@
+#[macro_export]
+#[cfg(feature = "vec")]
+macro_rules! map {
+    () => { std::collections::HashMap::new() };
+    ($($k:expr => $v:expr),* $(,)?) => {
+        {
+            let mut temp_map = std::collections::HashMap::new();
+            $(
+                temp_map.insert($k, $v);
+            )*
+            temp_map
+        }
+    };
+}
+
+#[cfg(all(test, feature = "vec"))]
+mod tests {
+    use std::collections::HashMap;
+
+    #[test]
+    fn test_empty_map() {
+        let map: HashMap<usize, usize> = map!();
+        assert_eq!(map.len(), 0);
+    }
+    #[test]
+    fn test_map() {
+        let map = map! {
+            "one" => 1,
+            "two" => 2,
+            "three" => 3,
+        };
+        assert_eq!(map.len(), 3);
+        assert_eq!(map.get("one"), Some(&1));
+        assert_eq!(map.get("two"), Some(&2));
+        assert_eq!(map.get("three"), Some(&3));
+    }
+}