Rollup merge of #44158 - dtolnay:zero48, r=sfackler

Use a byte literal ASCII 0 instead of its decimal value @SimonSapin noticed this in dtolnay/itoa#8.
rust-lang · Aug 29, 2017 · be0ac01 · be0ac01
2 parents a88757e + 4312ed7
commit be0ac01
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libcore/fmt/num.rs b/src/libcore/fmt/num.rs
@@ -242,7 +242,7 @@ macro_rules! impl_Display {
                 // decode last 1 or 2 chars
                 if n < 10 {
                     curr -= 1;
-                    *buf_ptr.offset(curr) = (n as u8) + 48;
+                    *buf_ptr.offset(curr) = (n as u8) + b'0';
                 } else {
                     let d1 = n << 1;
                     curr -= 2;