opt: remove gratuitous { } in initializers.

A little less typing for users.

ccan/opt/opt.h

@@ -48,7 +48,7 @@ struct opt_table {
  *	OPT_WITH_ARG()
  */
 #define OPT_WITHOUT_ARG(names, cb, arg, desc)	\
-	(names), OPT_CB_NOARG((cb), (arg)), (desc)
+	{ (names), OPT_CB_NOARG((cb), (arg)), (desc) }
 
 /**
  * OPT_WITH_ARG() - macro for initializing long and short option (with arg)
@@ -83,7 +83,7 @@ struct opt_table {
  *	OPT_WITHOUT_ARG()
  */
 #define OPT_WITH_ARG(name, cb, show, arg, desc)	\
-	(name), OPT_CB_ARG((cb), (show), (arg)), (desc)
+	{ (name), OPT_CB_ARG((cb), (show), (arg)), (desc) }
 
 /**
  * OPT_SUBTABLE() - macro for including another table inside a table.
@@ -111,13 +111,13 @@ struct opt_table {
  * Example:
  * static int verbose = 0;
  * static struct opt_table opts[] = {
- * 	{ OPT_WITHOUT_ARG("--verbose", opt_inc_intval, &verbose,
- * 	  "Verbose mode (can be specified more than once)") },
- * 	{ OPT_WITHOUT_ARG("-v", opt_inc_intval, &verbose,
- * 	  "Verbose mode (can be specified more than once)") },
- * 	{ OPT_WITHOUT_ARG("--usage", opt_usage_and_exit,
- * 			  "args...\nA silly test program.",
- * 	  "Print this message.") },
+ * 	OPT_WITHOUT_ARG("--verbose", opt_inc_intval, &verbose,
+ *			"Verbose mode (can be specified more than once)"),
+ * 	OPT_WITHOUT_ARG("-v", opt_inc_intval, &verbose,
+ *			"Verbose mode (can be specified more than once)"),
+ * 	OPT_WITHOUT_ARG("--usage", opt_usage_and_exit,
+ * 			"args...\nA silly test program.",
+ *			"Print this message."),
  * 	OPT_ENDTABLE
  * };
  *

ccan/opt/test/utils.c

@@ -70,33 +70,31 @@ bool parse_args(int *argc, char ***argv, ...)
 
 struct opt_table short_table[] = {
 	/* Short opts, different args. */
-	{ OPT_WITHOUT_ARG("-a", test_noarg, "a", "Description of a") },
-	{ OPT_WITH_ARG("-b", test_arg, show_arg, "b", "Description of b") },
+	OPT_WITHOUT_ARG("-a", test_noarg, "a", "Description of a"),
+	OPT_WITH_ARG("-b", test_arg, show_arg, "b", "Description of b"),
 	OPT_ENDTABLE
 };
 
 struct opt_table long_table[] = {
 	/* Long opts, different args. */
-	{ OPT_WITHOUT_ARG("--ddd", test_noarg, "ddd", "Description of ddd") },
-	{ OPT_WITH_ARG("--eee <filename>", test_arg, show_arg, "eee", "") },
+	OPT_WITHOUT_ARG("--ddd", test_noarg, "ddd", "Description of ddd"),
+	OPT_WITH_ARG("--eee <filename>", test_arg, show_arg, "eee", ""),
 	OPT_ENDTABLE
 };
 
 struct opt_table long_and_short_table[] = {
 	/* Short and long, different args. */
-	{ OPT_WITHOUT_ARG("--ggg/-g", test_noarg, "ggg",
-			  "Description of ggg") },
-	{ OPT_WITH_ARG("-h/--hhh", test_arg, NULL, "hhh",
-		       "Description of hhh") },
+	OPT_WITHOUT_ARG("--ggg/-g", test_noarg, "ggg", "Description of ggg"),
+	OPT_WITH_ARG("-h/--hhh", test_arg, NULL, "hhh", "Description of hhh"),
 	OPT_ENDTABLE
 };
 
 /* Sub-table test. */
 struct opt_table subtables[] = {
 	/* Two short, and two long long, no description */
-	{ OPT_WITH_ARG("--jjj/-j/--lll/-l", test_arg, show_arg, "jjj", "") },
+	OPT_WITH_ARG("--jjj/-j/--lll/-l", test_arg, show_arg, "jjj", ""),
 	/* Hidden option */
-	{ OPT_WITH_ARG("--mmm/-m", test_arg, show_arg, "mmm", opt_hidden) },
+	OPT_WITH_ARG("--mmm/-m", test_arg, show_arg, "mmm", opt_hidden),
 	OPT_SUBTABLE(short_table, NULL),
 	OPT_SUBTABLE(long_table, "long table options"),
 	OPT_SUBTABLE(long_and_short_table, NULL),