array: make left/right/slice private

examples/tetris/tetris.v

@@ -289,7 +289,7 @@ fn (g mut Game) generate_tetro() {
 // Get the right tetro from cache
 fn (g mut Game) get_tetro() {
 	idx := g.tetro_idx * TetroSize * TetroSize + g.rotation_idx * TetroSize
-	g.tetro = g.tetros_cache.slice(idx, idx + TetroSize)
+	g.tetro = g.tetros_cache[idx..idx+TetroSize]
 }
 
 // TODO mut

vlib/builtin/array.v

@@ -173,7 +173,7 @@ pub fn (a array) last() voidptr {
 
 // array.left returns a new array using the same buffer as the given array
 // with the first `n` elements of the given array.
-pub fn (a array) left(n int) array {
+fn (a array) left(n int) array {
 	if n < 0 {
 		panic('array.left: index is negative (n == $n)')
 	}
@@ -187,7 +187,7 @@ pub fn (a array) left(n int) array {
 // but starting with the element of the given array beyond the index `n`.
 // If `n` is bigger or equal to the length of the given array,
 // returns an empty array of the same type as the given array.
-pub fn (a array) right(n int) array {
+fn (a array) right(n int) array {
 	if n < 0 {
 		panic('array.right: index is negative (n == $n)')
 	}
@@ -207,7 +207,7 @@ fn (a array) slice2(start, _end int, end_max bool) array {
 // but starting from the `start` element and ending with the element before
 // the `end` element of the original array with the length and capacity
 // set to the number of the elements in the slice.
-pub fn (a array) slice(start, _end int) array {
+fn (a array) slice(start, _end int) array {
 	mut end := _end
 	if start > end {
 		panic('array.slice: invalid slice index ($start > $end)')

vlib/cli/command.v

@@ -42,7 +42,7 @@ pub fn (cmd mut Command) parse(args []string) {
 	cmd.add_default_flags()
 	cmd.add_default_commands()
 
-	cmd.args = args.right(1)
+	cmd.args = args[1..]
 	for i := 0; i < cmd.commands.len; i++ {
 		cmd.commands[i].parent = cmd
 	}
@@ -110,7 +110,7 @@ fn (cmd mut Command) parse_commands() {
 				for flag in global_flags {
 					command.add_flag(flag)
 				}
-				command.parse(cmd.args.right(i))
+				command.parse(cmd.args[i..])
 				return
 			}
 		}

vlib/compiler/parser.v

@@ -547,7 +547,7 @@ fn (p mut Parser) parse(pass Pass) {
 				}
 				p.genln('')
 				end := p.cgen.lines.len
-				lines := p.cgen.lines.slice(start, end)
+				lines := p.cgen.lines[start..end]
 				//mut line := p.cgen.fn_main + lines.join('\n')
 				//line = line.trim_space()
 				p.cgen.fn_main = p.cgen.fn_main + lines.join('\n')

vlib/os/os.v

@@ -80,7 +80,7 @@ pub fn (f File) read_bytes_at(size, pos int) []byte {
 	C.fseek(f.cfile, pos, C.SEEK_SET)
 	nreadbytes := C.fread(arr.data, 1, size, f.cfile)
 	C.fseek(f.cfile, 0, C.SEEK_SET)
-	return arr.slice(0, nreadbytes)
+	return arr[0..nreadbytes]
 }
 
 pub fn read_bytes(path string) ?[]byte {
@@ -95,7 +95,7 @@ pub fn read_bytes(path string) ?[]byte {
 	mut res	 := [`0`].repeat(fsize)
 	nreadbytes := C.fread(res.data, fsize, 1, fp)
 	C.fclose(fp)
-	return res.slice(0, nreadbytes )
+	return res[0..nreadbytes]
 }
 
 // read_file reads the file in `path` and returns the contents.