From 6a54cec9ca046509500d1fd2fd8d8e90b0bb1829 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Fri, 17 Jan 2025 19:28:45 +0000
Subject: [PATCH] [IFT] add comment to WritableOffset about DIVISOR.

---
 incremental-font-transfer/src/glyph_keyed.rs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/incremental-font-transfer/src/glyph_keyed.rs b/incremental-font-transfer/src/glyph_keyed.rs
index fd3adb2d5..113819a9c 100644
--- a/incremental-font-transfer/src/glyph_keyed.rs
+++ b/incremental-font-transfer/src/glyph_keyed.rs
@@ -259,20 +259,23 @@ fn retained_glyphs_total_size<T: GlyphDataOffsetArray>(
     Ok(total_size)
 }
 
-trait WritableOffset<const DIV: usize> {
+/// Objects with this trait can be written to bytes.
+///
+/// The offset value will be divided by DIVISOR prior to conversion to bytes.
+trait WritableOffset<const DIVISOR: usize> {
     fn write_to(self, dest: &mut [u8]);
 }
 
-impl<const DIV: usize> WritableOffset<DIV> for u32 {
+impl<const DIVISOR: usize> WritableOffset<DIVISOR> for u32 {
     fn write_to(self, dest: &mut [u8]) {
-        let data: [u8; 4] = (self / DIV as u32).to_raw();
+        let data: [u8; 4] = (self / DIVISOR as u32).to_raw();
         dest[..4].copy_from_slice(&data);
     }
 }
 
-impl<const DIV: usize> WritableOffset<DIV> for u16 {
+impl<const DIVISOR: usize> WritableOffset<DIVISOR> for u16 {
     fn write_to(self, dest: &mut [u8]) {
-        let data: [u8; 2] = (self / DIV as u16).to_raw();
+        let data: [u8; 2] = (self / DIVISOR as u16).to_raw();
         dest[..2].copy_from_slice(&data);
     }
 }