py: Clean up formatting of union definitions.

Signed-off-by: Damien George <damien@micropython.org>

py/binary.c

@@ -241,12 +241,14 @@ mp_obj_t mp_binary_get_val(char struct_type, char val_type, byte *p_base, byte *
         return mp_obj_new_str(s_val, strlen(s_val));
     #if MICROPY_PY_BUILTINS_FLOAT
     } else if (val_type == 'f') {
-        union { uint32_t i;
+        union {
+            uint32_t i;
             float f;
         } fpu = {val};
         return mp_obj_new_float_from_f(fpu.f);
     } else if (val_type == 'd') {
-        union { uint64_t i;
+        union {
+            uint64_t i;
             double f;
         } fpu = {val};
         return mp_obj_new_float_from_d(fpu.f);
@@ -308,7 +310,8 @@ void mp_binary_set_val(char struct_type, char val_type, mp_obj_t val_in, byte *p
             break;
         #if MICROPY_PY_BUILTINS_FLOAT
         case 'f': {
-            union { uint32_t i;
+            union {
+                uint32_t i;
                 float f;
             } fp_sp;
             fp_sp.f = mp_obj_get_float_to_f(val_in);
@@ -316,7 +319,8 @@ void mp_binary_set_val(char struct_type, char val_type, mp_obj_t val_in, byte *p
             break;
         }
         case 'd': {
-            union { uint64_t i64;
+            union {
+                uint64_t i64;
                 uint32_t i32[2];
                 double f;
             } fp_dp;

py/obj.h

@@ -283,8 +283,10 @@ static inline bool mp_obj_is_obj(mp_const_obj_t o) {
 #define MP_OBJ_FROM_PTR(p) ((mp_obj_t)((uintptr_t)(p)))
 
 // rom object storage needs special handling to widen 32-bit pointer to 64-bits
-typedef union _mp_rom_obj_t { uint64_t u64;
+typedef union _mp_rom_obj_t {
-                              struct { const void *lo, *hi;
+    uint64_t u64;
+    struct {
+        const void *lo, *hi;
     } u32;
 } mp_rom_obj_t;
 #define MP_ROM_INT(i) {MP_OBJ_NEW_SMALL_INT(i)}