fix overblown numeric handling

The ergonomics of these changed quite a while back.

1 files changed, 12 insertions, 12 deletions

diff --git a/src/vtcol.rs b/src/vtcol.rs
index f7b3529..3cae3f2 100644
--- a/src/vtcol.rs
+++ b/src/vtcol.rs
@@ -325,10 +325,10 @@ impl Palette
 
 fn nibble_of_char(chr: u8) -> u8
 {
-    match chr as char {
-        '0'..='9' => chr - '0' as u8,
-        'a'..='f' => chr - 'a' as u8 + 10,
-        'A'..='F' => chr - 'A' as u8 + 10,
+    match chr {
+        b'0'..=b'9' => chr - b'0',
+        b'a'..=b'f' => chr - b'a' + 10,
+        b'A'..=b'F' => chr - b'A' + 10,
         _ => 0,
     }
 }
@@ -357,11 +357,11 @@ impl Palette
 
         for def in colors.iter() {
             let (r, g, b) = rgb_of_hex_triplet(*def);
-            pal[idx + 0] = r;
+            pal[idx    ] = r;
             pal[idx + 1] = g;
             pal[idx + 2] = b;
             //println!(">> {} -> {:X} {:X} {:X}", def, r, g, b);
-            idx = idx + 3;
+            idx += 3;
         }
 
         Palette { colors: pal }
@@ -405,7 +405,7 @@ impl Palette
                     let col = &line[off..(off + RAW_COLEXPR_SIZE)];
 
                     let (r, g, b) = rgb_of_hex_triplet(col);
-                    pal[pal_idx + 0] = r;
+                    pal[pal_idx    ] = r;
                     pal[pal_idx + 1] = g;
                     pal[pal_idx + 2] = b;
                     pal_idx = (pal_idx + 3) % PALETTE_BYTES;
@@ -453,10 +453,10 @@ impl fmt::Display for Palette
 {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result
     {
-        let mut i: usize = 0;
+        let mut i = 0;
         while i < PALETTE_BYTES {
             let _ = write!(f, "{}", if i == 0 { "(" } else { "\n " });
-            let r = self.colors[i + 0];
+            let r = self.colors[i    ];
             let g = self.colors[i + 1];
             let b = self.colors[i + 2];
             let _ = write!(
@@ -464,7 +464,7 @@ impl fmt::Display for Palette
                 "((r 0x{:02.X}) (g 0x{:02.X}) (b 0x{:02.x}))",
                 r, g, b
             );
-            i = i + 3;
+            i += 3;
         }
         writeln!(f, ")")
     }
@@ -476,7 +476,7 @@ impl fmt::Debug for Palette
     {
         let mut i: u8 = 0_u8;
         while (i as usize) < PALETTE_BYTES {
-            let r = self.colors[i as usize + 0];
+            let r = self.colors[i as usize    ];
             let g = self.colors[i as usize + 1];
             let b = self.colors[i as usize + 2];
             let _ = writeln!(
@@ -487,7 +487,7 @@ impl fmt::Debug for Palette
                 g,
                 b
             );
-            i = i + 3_u8;
+            i += 3_u8;
         }
         std::result::Result::Ok(())
     }