all: rune type for `` literals

vlib/strconv/atof.v

@@ -180,7 +180,7 @@ NOTE: #TOFIX need one char after the last char of the number
 fn parser(s string) (int,PrepNumber) {
 	mut state := fsm_a
 	mut digx := 0
-	mut c := ` ` // initial value for kicking off the state machine
+	mut c := byte(` `) // initial value for kicking off the state machine
 	mut result := parser_ok
 	mut expneg := false
 	mut expexp := 0
@@ -192,7 +192,8 @@ fn parser(s string) (int,PrepNumber) {
 			// skip starting spaces
 			fsm_a {
 				if is_space(c) == true {
-					c = s[i++]
+					c = s[i]
+					i++
 				}
 				else {
 					state = fsm_b
@@ -202,12 +203,13 @@ fn parser(s string) (int,PrepNumber) {
 			fsm_b {
 				state = fsm_c
 				if c == c_plus {
-					c = s[i++]
-					//i++
+					c = s[i]
+					i++
 				}
 				else if c == c_minus {
 					pn.negative = true
-					c = s[i++]
+					c = s[i]
+					i++
 				}
 				else if is_digit(c) {
 				}

vlib/strconv/format.v

@@ -203,7 +203,7 @@ pub fn f64_to_str_lnd(f f64, dec_digit int) string {
 
 */
 pub struct BF_param {
-	pad_ch       byte       = ` `     // padding char
+	pad_ch       byte       = byte(` `)     // padding char
 	len0         int        = -1      // default len for whole the number or string
 	len1         int        = 6       // number of decimal digits, if needed
 	positive     bool       = true    // mandatory: the sign of the number passed
@@ -438,7 +438,7 @@ pub fn v_sprintf(str string, pt ... voidptr) string{
 	mut len0         := -1               // forced length, if -1 free length
 	mut len1         := -1               // decimal part for floats
 	def_len1         := 6                // default value for len1
-	mut pad_ch       := ` `              // pad char
+	mut pad_ch       := byte(` `)              // pad char
 	mut th_separator := false            // thousands separator flag
 
 	// prefix chars for Length field