Fix using custom type-labels for e.g. return type

reid/src/ast/parse.rs

@@ -39,7 +39,7 @@ impl Parse for Type {
                     "u64" => TypeKind::U64,
                     "u128" => TypeKind::U128,
                     "string" => TypeKind::String,
-                    _ => Err(stream.expected_err("known type identifier")?)?,
+                    _ => TypeKind::Custom(ident),
                 }
             } else {
                 return Err(stream.expected_err("type identifier")?)?;

reid/src/ast/process.rs

@@ -275,7 +275,7 @@ impl From<ast::TypeKind> for mir::TypeKind {
                 mir::TypeKind::Array(Box::new(mir::TypeKind::from(*type_kind.clone())), *length)
             }
             ast::TypeKind::String => mir::TypeKind::StringPtr,
-            ast::TypeKind::Custom(_) => todo!("Add processing for custom types"),
+            ast::TypeKind::Custom(name) => mir::TypeKind::CustomType(name.clone()),
         }
     }
 }

reid_src/array_structs.reid

@@ -5,19 +5,24 @@ struct Test {
     second: [u32; 4]
 }
 
-fn main() -> v u32 {
-    let mut value = [Test {
+fn test() -> [Test; 1] {
+    let value = [Test {
         field: 5,
-        second: [6, 3, "hello", 8],
+        second: [6, 3, 4, 8],
     }];
+    return value;
+}
+
+fn main() -> u32 {
+    let mut value = test();
 
     let val1 = 0;
     let val2 = 1;
 
     // value[val1].second[val2 + 1] = 99;
 
-    let mut b = valude[val1];
+    let mut b = value[val1];
     b.second[2] = 99;
 
-    return value[val1].sezcond[2];
+    return value[val1].second[2];
 }