fix: missing semicolon in tuple structs

crates/stef-build/src/definition.rs

@@ -226,7 +226,11 @@ fn compile_fields(fields: &Fields<'_>, for_struct: bool) -> TokenStream {
                 quote! { #ty }
             });
 
-            quote! { (#(#fields,)*) }
+            if for_struct {
+                quote! { (#(#fields,)*); }
+            } else {
+                quote! { (#(#fields,)*) }
+            }
         }
         Fields::Unit => {
             if for_struct {

crates/stef-build/tests/snapshots/compiler__compile@struct-tuple.stef.snap

@@ -0,0 +1,46 @@
+---
+source: crates/stef-build/tests/compiler.rs
+expression: "/// Basic struct.\nstruct Sample(u32 @1, bool @2)"
+input_file: crates/stef-parser/tests/inputs/struct-tuple.stef
+---
+/// Basic struct.
+#[derive(Clone, Debug, PartialEq, PartialOrd)]
+pub struct Sample(u32, bool);
+#[automatically_derived]
+impl ::stef::Encode for Sample {
+    fn encode(&self, w: &mut impl ::stef::BufMut) {
+        ::stef::buf::encode_field(w, 1, |w| { ::stef::buf::encode_u32(w, self.0) });
+        ::stef::buf::encode_field(w, 2, |w| { ::stef::buf::encode_bool(w, self.1) });
+        ::stef::buf::encode_u32(w, ::stef::buf::END_MARKER);
+    }
+}
+#[automatically_derived]
+impl ::stef::Decode for Sample {
+    fn decode(r: &mut impl ::stef::Buf) -> ::stef::buf::Result<Self> {
+        let mut n0: Option<u32> = None;
+        let mut n1: Option<bool> = None;
+        loop {
+            match ::stef::buf::decode_id(r)? {
+                ::stef::buf::END_MARKER => break,
+                1 => n0 = Some(::stef::buf::decode_u32(r)?),
+                2 => n1 = Some(::stef::buf::decode_bool(r)?),
+                _ => continue,
+            }
+        }
+        Ok(
+            Self(
+                n0
+                    .ok_or(::stef::buf::Error::MissingField {
+                        id: 1,
+                        name: None,
+                    })?,
+                n1
+                    .ok_or(::stef::buf::Error::MissingField {
+                        id: 2,
+                        name: None,
+                    })?,
+            ),
+        )
+    }
+}
+