feat(api): more multiplication impls for size

Author: KSXGitHub

src/size.rs

@@ -33,6 +33,36 @@ pub trait Size:
     fn display(self, input: Self::DisplayFormat) -> Self::DisplayOutput;
 }
 
+macro_rules! impl_mul {
+    ($name:ident: $inner:ident *= $($num_type:ident)+) => {
+        $(
+            impl Mul<$num_type> for $name {
+                type Output = Self;
+                fn mul(self, rhs: $num_type) -> Self::Output {
+                    self.0.mul(rhs as $inner).into()
+                }
+            }
+
+            impl Mul<$name> for $num_type {
+                type Output = $name;
+                fn mul(self, rhs: $name) -> Self::Output {
+                    rhs * self
+                }
+            }
+
+            impl MulAssign<$num_type> for $name {
+                fn mul_assign(&mut self, rhs: $num_type) {
+                    self.0 *= rhs as $inner;
+                }
+            }
+        )+
+    };
+
+    ($name:ident: u64) => {
+        impl_mul!($name: u64 *= u8 u16 u32 u64);
+    };
+}
+
 macro_rules! newtype {
     (
         $(#[$attribute:meta])*
@@ -65,25 +95,7 @@ macro_rules! newtype {
             }
         }
 
-        impl Mul<$inner> for $name {
-            type Output = Self;
-            fn mul(self, rhs: $inner) -> Self::Output {
-                self.0.mul(rhs).into()
-            }
-        }
-
-        impl Mul<$name> for $inner {
-            type Output = $name;
-            fn mul(self, rhs: $name) -> Self::Output {
-                rhs * self
-            }
-        }
-
-        impl MulAssign<$inner> for $name {
-            fn mul_assign(&mut self, rhs: $inner) {
-                self.0 *= rhs;
-            }
-        }
+        impl_mul!($name: u64);
     };
 }