builtin: fix tests

examples/sokol/06_obj_viewer/modules/obj/obj.v

@@ -232,7 +232,7 @@ pub fn (mut obj_part ObjPart) parse_obj_buffer(rows []string, single_material bo
 							mat_count++
 							mut part := Part{}
 							if mat_count > 1 {
-								li := obj_part.part[obj_part.part.len - 1].name.index_last('_m') or {
+								li := obj_part.part[obj_part.part.len - 1].name.last_index('_m') or {
 									obj_part.part[obj_part.part.len - 1].name.len - 1
 								}
 								part.name = obj_part.part[obj_part.part.len - 1].name[..li] +

vlib/builtin/string_test.v

@@ -1309,7 +1309,7 @@ fn test_string_literal_with_backslash_followed_by_newline() {
     Five \\\\\
     end'
 	assert b == 'One Two Three ${single_backslash}Four ${double_backslash}${newline}    Five ${double_backslash}end'
-	
+
 	// Note `\\` is followed *directly* by a newline, but `\\` is just an escape for `\`,
 	// and thus the newline has no special meaning, and should go into the string literal.
 	c := 'Hello\\
@@ -1481,11 +1481,11 @@ fn test_index_u8() {
 }
 
 fn test_index_last() {
-	assert 'abcabca'.index_last('ca')? == 5
-	assert 'abcabca'.index_last('ab')? == 3
-	assert 'abcabca'.index_last('b')? == 4
-	assert 'Zabcabca'.index_last('Z')? == 0
-	x := 'Zabcabca'.index_last('Y')
+	assert 'abcabca'.last_index('ca')? == 5
+	assert 'abcabca'.last_index('ab')? == 3
+	assert 'abcabca'.last_index('b')? == 4
+	assert 'Zabcabca'.last_index('Z')? == 0
+	x := 'Zabcabca'.last_index('Y')
 	assert x == none
 	// TODO: `assert 'Zabcabca'.index_last('Y') == none` is a cgen error, 2023/12/04
 }

vlib/v/checker/tests/type_cast_option_err.out

@@ -1,5 +1,5 @@
 vlib/v/checker/tests/type_cast_option_err.vv:2:10: error: cannot type cast an Option
     1 | fn main() {
-    2 |     println(int('hi'.index_last('i')))
+    2 |     println(int('hi'.last_index('i')))
       |             ~~~~~~~~~~~~~~~~~~~~~~~~~
     3 | }

vlib/v/checker/tests/type_cast_option_err.vv

@@ -1,3 +1,3 @@
 fn main() {
-	println(int('hi'.index_last('i')))
+	println(int('hi'.last_index('i')))
 }

vlib/v/tests/option_default_values_test.v

@@ -127,7 +127,7 @@ fn test_nested_option_with_opt_fn_call_as_last_value() {
 
 fn remove_suffix1(s string) string {
 	n := s.len
-	i := s.index_last('.') or { n }
+	i := s.last_index('.') or { n }
 	return s[0..i]
 }