chore: Fix up some clippy lints

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

1 files changed, 8 insertions, 7 deletions

diff --git a/subplotlib-derive/src/lib.rs b/subplotlib-derive/src/lib.rs
index e12ae6a..e5b8ab6 100644
--- a/subplotlib-derive/src/lib.rs
+++ b/subplotlib-derive/src/lib.rs
@@ -148,14 +148,15 @@ fn process_step(mut input: ItemFn) -> proc_macro2::TokenStream {
     };
 
     let contexttype = if let Some(ty) = input.sig.inputs.first() {
-        if let FnArg::Typed(pt) = ty {
-            if let Type::Reference(rt) = &*pt.ty {
-                *(rt.elem).clone()
-            } else {
-                unreachable!()
+        match ty {
+            FnArg::Typed(pt) => {
+                if let Type::Reference(rt) = &*pt.ty {
+                    *(rt.elem).clone()
+                } else {
+                    unreachable!()
+                }
             }
-        } else {
-            unreachable!()
+            _ => unreachable!(),
         }
     } else {
         unreachable!()