feat: add newtype macro

src/lib.rs

@@ -1 +1,2 @@
 //
+mod newtype;

src/newtype.rs

@@ -0,0 +1,56 @@
+//
+#[macro_export]
+macro_rules! newtype {
+    ($name:ident, $docs:literal) => {
+        #[doc = $docs]
+        #[derive(
+            Clone,
+            Copy,
+            Default,
+            Debug,
+            derive_more::Display,
+            derive_more::From,
+            PartialEq,
+            Eq,
+            PartialOrd,
+            Ord,
+            Hash,
+            derive_more::AsRef,
+            derive_more::Constructor,
+            serde::Serialize,
+            serde::Deserialize,
+        )]
+        pub struct $name;
+    };
+    ($name:ident, $type:ty $(, $derive:ty)*, $docs:literal) => {
+        #[doc = $docs]
+        #[derive(
+            Clone,
+            Debug,
+            derive_more::From,
+            PartialEq,
+            Eq,
+            derive_more::AsRef,
+            derive_more::Deref,
+            serde::Serialize,
+            serde::Deserialize,
+            $($derive),*
+        )]
+        pub struct $name($type);
+        impl $name {
+            pub fn new(value: impl Into<$type>) -> Self {
+                Self(value.into())
+            }
+            #[allow(clippy::missing_const_for_fn)]
+            #[must_use]
+            pub fn peel(self) -> $type {
+                self.0
+            }
+        }
+        impl From<$name> for $type {
+            fn from(value: $name) -> $type {
+                value.peel()
+            }
+        }
+    };
+}