From 5c6ca9465f44dbcb1f8309939572c86eb09c1ba0 Mon Sep 17 00:00:00 2001
From: Louis Thiery <thiery.louis@gmail.com>
Date: Thu, 5 Jun 2025 19:27:34 -0700
Subject: [PATCH] add usize support

---
 humanbyte-derive/src/lib.rs | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/humanbyte-derive/src/lib.rs b/humanbyte-derive/src/lib.rs
index 1e20c276..7284d97c 100644
--- a/humanbyte-derive/src/lib.rs
+++ b/humanbyte-derive/src/lib.rs
@@ -242,6 +242,34 @@ pub fn humanbyte_ops(input: TokenStream) -> TokenStream {
             }
         }
 
+        #[cfg(target_pointer_width = "64")]
+        impl core::ops::Add<#name> for usize {
+            type Output = #name;
+            #[inline(always)]
+            fn add(self, rhs: #name) -> #name {
+                #name(rhs.0 + (self as u64))
+            }
+        }
+
+
+        #[cfg(target_pointer_width = "64")]
+        impl core::ops::Sub<#name> for usize {
+            type Output = #name;
+            #[inline(always)]
+            fn sub(self, rhs: #name) -> #name {
+                #name(self as u64 - rhs.0)
+            }
+        }
+
+        #[cfg(target_pointer_width = "64")]
+        impl core::ops::Mul<#name> for usize {
+            type Output = #name;
+            #[inline(always)]
+            fn mul(self, rhs: #name) -> #name {
+                #name(rhs.0 * (self as u64))
+            }
+        }
+
         impl #name {
             /// Provides `HumanByteRange` with explicit lower and upper bounds.
             pub fn range<I: Into<Self>>(start: I, stop: I) -> ::humanbyte::HumanByteRange<Self> {
@@ -340,6 +368,13 @@ pub fn humanbyte_parse(input: TokenStream) -> TokenStream {
             pub const fn as_u64(&self) -> u64 {
                 self.0
             }
+
+            /// Returns the inner value as usize.
+            #[cfg(target_pointer_width = "64")]
+            #[inline(always)]
+            pub const fn as_usize(&self) -> usize {
+                self.0 as usize
+            }
         }
     };