move typedefs to top

pila.c

@@ -18,31 +18,35 @@ typedef struct UserWord UserWord;
 typedef struct Word Word;
 typedef struct DictionaryEntry DictionaryEntry;
 typedef struct RpnState RpnState;
+typedef struct Str Str;
+typedef struct Value Value;
+typedef enum ValueKind ValueKind;
+typedef enum WordKind WordKind;
 typedef void (*NativeWord)(RpnState *);
 
-typedef struct {
+struct Str {
 	char *s;
 	isize len;
-} Str;
+};
 
-typedef enum {
+enum ValueKind {
 	VAL_NIL,
 	VAL_INT,
 	VAL_STR,
-} ValueKind;
+};
 
-typedef struct {
+struct Value {
 	ValueKind kind;
 	union {
 		u64 intn;
 		Str str;
 	};
-} Value;
+};
 
-typedef enum {
+enum WordKind {
 	WORD_NATIVE,
 	WORD_USER,
-} WordKind;
+};
 
 struct UserWord {
 	Word **words;