all: correct the first letter of error message from uppercase to lowercase (#16481)

vlib/v/builder/builder.v

@@ -62,7 +62,7 @@ pub fn new_builder(pref &pref.Preferences) Builder {
 	$if windows {
 		msvc = find_msvc(pref.m64) or {
 			if pref.ccompiler == 'msvc' {
-				// verror('Cannot find MSVC on this OS')
+				// verror('cannot find MSVC on this OS')
 			}
 			MsvcResult{
 				valid: false

vlib/v/builder/msvc_windows.v

@@ -253,7 +253,7 @@ fn find_msvc(m64_target bool) !MsvcResult {
 pub fn (mut v Builder) cc_msvc() {
 	r := v.cached_msvc
 	if r.valid == false {
-		verror('Cannot find MSVC on this OS')
+		verror('cannot find MSVC on this OS')
 	}
 	out_name_obj := os.real_path(v.out_name_c + '.obj')
 	out_name_pdb := os.real_path(v.out_name_c + '.pdb')
@@ -368,7 +368,7 @@ pub fn (mut v Builder) cc_msvc() {
 	// Also the double quotes at the start ARE needed.
 	v.show_cc(cmd, out_name_cmd_line, args)
 	if os.user_os() != 'windows' && !v.pref.out_name.ends_with('.c') {
-		verror('Cannot build with msvc on ${os.user_os()}')
+		verror('cannot build with msvc on ${os.user_os()}')
 	}
 	util.timing_start('C msvc')
 	res := os.execute(cmd)
@@ -391,7 +391,7 @@ pub fn (mut v Builder) cc_msvc() {
 fn (mut v Builder) build_thirdparty_obj_file_with_msvc(mod string, path string, moduleflags []cflag.CFlag) {
 	msvc := v.cached_msvc
 	if msvc.valid == false {
-		verror('Cannot find MSVC on this OS')
+		verror('cannot find MSVC on this OS')
 	}
 	// msvc expects .obj not .o
 	path_without_o_postfix := path[..path.len - 2] // remove .o

vlib/v/checker/assign.v

@@ -273,7 +273,7 @@ pub fn (mut c Checker) assign_stmt(mut node ast.AssignStmt) {
 								if left_type in ast.unsigned_integer_type_idxs {
 									if mut right is ast.IntegerLiteral {
 										if right.val[0] == `-` {
-											c.error('Cannot assign negative value to unsigned integer type',
+											c.error('cannot assign negative value to unsigned integer type',
 												right.pos)
 										}
 									}
@@ -324,7 +324,7 @@ pub fn (mut c Checker) assign_stmt(mut node ast.AssignStmt) {
 				if left_type in ast.unsigned_integer_type_idxs {
 					if mut right is ast.IntegerLiteral {
 						if right.val[0] == `-` {
-							c.error('Cannot assign negative value to unsigned integer type',
+							c.error('cannot assign negative value to unsigned integer type',
 								right.pos)
 						}
 					}

vlib/v/checker/orm.v

@@ -18,7 +18,7 @@ fn (mut c Checker) sql_expr(mut node ast.SqlExpr) ast.Type {
 		c.cur_orm_ts = old_ts
 	}
 	if sym.info !is ast.Struct {
-		c.error('The table symbol `${sym.name}` has to be a struct', node.table_expr.pos)
+		c.error('the table symbol `${sym.name}` has to be a struct', node.table_expr.pos)
 		return ast.void_type
 	}
 	info := sym.info as ast.Struct
@@ -106,7 +106,7 @@ fn (mut c Checker) sql_expr(mut node ast.SqlExpr) ast.Type {
 
 	if node.or_expr.kind == .block {
 		if node.or_expr.stmts.len == 0 {
-			c.error('Or block needs to return a default value', node.or_expr.pos)
+			c.error('or block needs to return a default value', node.or_expr.pos)
 		}
 		if node.or_expr.stmts.len > 0 && node.or_expr.stmts.last() is ast.ExprStmt {
 			c.expected_or_type = node.typ

vlib/v/checker/struct.v

@@ -127,7 +127,7 @@ pub fn (mut c Checker) struct_decl(mut node ast.StructDecl) {
 				if field.typ in ast.unsigned_integer_type_idxs {
 					if field.default_expr is ast.IntegerLiteral {
 						if field.default_expr.val[0] == `-` {
-							c.error('Cannot assign negative value to unsigned integer type',
+							c.error('cannot assign negative value to unsigned integer type',
 								field.default_expr.pos)
 						}
 					}
@@ -493,7 +493,7 @@ pub fn (mut c Checker) struct_init(mut node ast.StructInit) ast.Type {
 				if field_info.typ in ast.unsigned_integer_type_idxs {
 					if mut field.expr is ast.IntegerLiteral {
 						if field.expr.val[0] == `-` {
-							c.error('Cannot assign negative value to unsigned integer type',
+							c.error('cannot assign negative value to unsigned integer type',
 								field.expr.pos)
 						}
 					}

vlib/v/checker/tests/negative_assign_to_unsigned.out

@@ -1,4 +1,4 @@
-vlib/v/checker/tests/negative_assign_to_unsigned.vv:3:9: error: Cannot assign negative value to unsigned integer type
+vlib/v/checker/tests/negative_assign_to_unsigned.vv:3:9: error: cannot assign negative value to unsigned integer type
     1 | fn main() {
     2 |     mut u := u32(10)
     3 |     u = -10

vlib/v/checker/tests/orm_no_default_value.out

@@ -1,4 +1,4 @@
-vlib/v/checker/tests/orm_no_default_value.vv:11:4: error: Or block needs to return a default value
+vlib/v/checker/tests/orm_no_default_value.vv:11:4: error: or block needs to return a default value
     9 |     _ := sql db {
    10 |         select from Person
    11 |     } or {

vlib/v/checker/tests/orm_not_a_struct.out

@@ -1,4 +1,4 @@
-vlib/v/checker/tests/orm_not_a_struct.vv:10:15: error: The table symbol `Person` has to be a struct
+vlib/v/checker/tests/orm_not_a_struct.vv:10:15: error: the table symbol `Person` has to be a struct
     8 |     db := sqlite.connect(':memory:')!
     9 |     _ := sql db {
    10 |         select from Person

vlib/v/checker/tests/struct_field_unsign_type_check_err.out

@@ -1,18 +1,18 @@
-vlib/v/checker/tests/struct_field_unsign_type_check_err.vv:3:10: error: Cannot assign negative value to unsigned integer type
+vlib/v/checker/tests/struct_field_unsign_type_check_err.vv:3:10: error: cannot assign negative value to unsigned integer type
     1 | struct Foo {
     2 | mut:
     3 |     n u32 = -1
       |             ~~
     4 | }
     5 |
-vlib/v/checker/tests/struct_field_unsign_type_check_err.vv:8:6: error: Cannot assign negative value to unsigned integer type
+vlib/v/checker/tests/struct_field_unsign_type_check_err.vv:8:6: error: cannot assign negative value to unsigned integer type
     6 | fn main() {
     7 |     mut foo := Foo{
     8 |         n: -1
       |            ~~
     9 |     }
    10 |
-vlib/v/checker/tests/struct_field_unsign_type_check_err.vv:11:10: error: Cannot assign negative value to unsigned integer type
+vlib/v/checker/tests/struct_field_unsign_type_check_err.vv:11:10: error: cannot assign negative value to unsigned integer type
     9 |     }
    10 | 
    11 |     foo.n = -1

vlib/v/gen/js/fn.v

@@ -638,7 +638,7 @@ fn (mut g JsGen) gen_method_decl(it ast.FnDecl, typ FnGenType) {
 	for attr in it.attrs {
 		if attr.name == 'async' {
 			if g.pref.output_es5 {
-				verror('Cannot use [async] attribute when outputing ES5 source code')
+				verror('cannot use [async] attribute when outputing ES5 source code')
 			}
 			has_go = true
 			break

vlib/v/parser/struct.v

@@ -599,7 +599,7 @@ fn (mut p Parser) interface_decl() ast.InterfaceDecl {
 			from_mod_typ := p.parse_type()
 			from_mod_name := '${mod_name}.${p.prev_tok.lit}'
 			if from_mod_name.is_lower() {
-				p.error_with_pos('The interface name need to have the pascal case', p.prev_tok.pos())
+				p.error_with_pos('the interface name need to have the pascal case', p.prev_tok.pos())
 				break
 			}
 			comments := p.eat_comments()