Update the code style to the latest stable Rust

This mostly involves applying the collapsible_match rule[1] where
appropiate, and using sort_by_key() as pointed out by the latest stable
version of clippy.

[1] https://rust-lang.github.io/rust-clippy/rust-1.95.0/index.html#collapsible_match

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/lib/header/src/lib.rs b/lib/header/src/lib.rs
index 7a858ea..bd1edaa 100644
--- a/lib/header/src/lib.rs
+++ b/lib/header/src/lib.rs
@@ -285,25 +285,23 @@ fn parse_nametable(byte: Option<&u8>, mapper: &Mapper) -> NameTableArrangement {
         | Mapper::Mmc3Nec
         | Mapper::Mmc3Sharp
         | Mapper::Mmc3T9552
-        | Mapper::Mmc3c => {
+        | Mapper::Mmc3c
             // MMC3 chips can mean a 4-screen nametable arrangement if
             // the "alternative nametable layout" bit is set.
-            if (b & 0x08) == 0x08 {
+            if (b & 0x08) == 0x08 => {
                 return NameTableArrangement::FourScreen;
             }
-        }
-        Mapper::Unrom512 => {
+        Mapper::Unrom512
             // In UNROM 512 chips, if the "alternative nametable layout"
             // bit is set, then it depends on the "nametable
             // arrangement" bit to decide whether it's a 1-screen or
             // 4-screen layout.
-            if (b & 0x08) == 0x08 {
+            if (b & 0x08) == 0x08 => {
                 if b & 0x1 == 0 {
                     return NameTableArrangement::OneScreen;
                 }
                 return NameTableArrangement::FourScreen;
             }
-        }
         _ => {}
     }