cgen: fix print(struct); use automatic referencing

cmd/v/internal/compile/compile.v

@@ -13,7 +13,7 @@ pub fn compile(command string, args []string) {
 	// Construct the V object from command line arguments
 	parse_and_output_new_format(args)
 	prefs, remaining := parse_arguments(args)
-	check_for_common_mistake(args, &prefs)
+	check_for_common_mistake(args, prefs)
 	mut v := compiler.new_v(prefs)
 	if v.pref.verbosity.is_higher_or_equal(.level_two) {
 		println(args)

cmd/v/internal/compile/compile_options.v

@@ -29,7 +29,7 @@ fn parse_arguments(args []string) (pref.Preferences, []string) {
 	} else {
 		p.backend = .c
 	}
-	mut remaining := flag.parse_pref(args, parse_options, &p) or {
+	mut remaining := flag.parse_pref(args, parse_options, p) or {
 		println('V error: Error while parsing flags.')
 		println(err)
 		println('Args:')

cmd/v/v.v

@@ -36,7 +36,7 @@ fn main() {
 	}
 	if prefs.verbosity.is_higher_or_equal(.level_three) {
 		println('Parsed preferences: ')
-		println(prefs)
+		//println(prefs) // QTODO
 		println('Remaining: $values')
 	}
 	// Do a quick check for `v -v`. Too much error has been made this way.

vlib/compiler/fn.v

@@ -1330,7 +1330,7 @@ fn (p mut Parser) fn_call_args(f mut Fn, generic_param_types []string) {
 	p.check(.rpar)
 	if f.is_generic && !p.scanner.is_fmt {
 		type_map := p.extract_type_inst(f, saved_args)
-		p.dispatch_generic_fn_instance(mut f, &type_map)
+		p.dispatch_generic_fn_instance(mut f, type_map)
 	}
 	if f.is_variadic {
 		p.fn_gen_caller_vargs(f, varg_type, varg_values)

vlib/compiler/struct.v

@@ -365,7 +365,7 @@ fn (p mut Parser) struct_init(typ_ string) string {
 		t = p.table.find_type(t.name)
 		typ = t.name
 	}
-	if p.gen_struct_init(typ, &t) {
+	if p.gen_struct_init(typ, t) {
 		return typ
 	}
 	ptr := typ.contains('*')

vlib/v/gen/cgen.v

@@ -648,8 +648,9 @@ fn (g mut Gen) expr(node ast.Expr) {
 			g.write('${name}(')
 			if name == 'println' && it.args[0].typ != table.string_type_idx {
 				// `println(int_str(10))`
-				sym := g.table.get_type_symbol(it.args[0].typ)
-				g.write('${sym.name}_str(')
+				// sym := g.table.get_type_symbol(it.args[0].typ)
+				styp := g.typ(it.args[0].typ)
+				g.write('${styp}_str(')
 				g.expr(it.args[0].expr)
 				g.write('))')
 			}