From 5293fe3d77b33ee4ad31f2b20005d940dddc41e7 Mon Sep 17 00:00:00 2001
From: bendn <bend.n@outlook.com>
Date: Mon, 25 Sep 2023 17:18:35 +0700
Subject: [PATCH] seal Cloner* traits

---
 Cargo.toml     |  2 +-
 src/overlay.rs | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 98203fd..4b07cc9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fimg"
-version = "0.4.5"
+version = "0.4.6"
 authors = ["bend-n <bend.n@outlook.com>"]
 license = "MIT"
 edition = "2021"
diff --git a/src/overlay.rs b/src/overlay.rs
index eb7ac29..9c63c41 100644
--- a/src/overlay.rs
+++ b/src/overlay.rs
@@ -15,8 +15,16 @@ pub trait OverlayAt<W> {
     unsafe fn overlay_at(&mut self, with: &W, x: u32, y: u32) -> &mut Self;
 }
 
+/// Sealant module
+mod sealed {
+    /// Seals the cloner traits
+    pub trait Sealed {}
+}
+use sealed::Sealed;
+impl<const N: usize> Sealed for ImageCloner<'_, N> {}
+
 /// [`OverlayAt`] but owned
-pub trait ClonerOverlayAt<const W: usize, const C: usize> {
+pub trait ClonerOverlayAt<const W: usize, const C: usize>: Sealed {
     /// Overlay with => self at coordinates x, y, without blending, and returning a new image.
     /// # Safety
     ///
@@ -35,7 +43,7 @@ pub trait Overlay<W> {
 }
 
 /// [`Overlay`] but owned
-pub trait ClonerOverlay<const W: usize, const C: usize> {
+pub trait ClonerOverlay<const W: usize, const C: usize>: Sealed {
     /// Overlay with => self (does not blend)
     /// # Safety
     ///