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refactor: use strings.Builder to improve performance #200

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refactor: use strings.Builder to improve performance #200

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10 changes: 5 additions & 5 deletions numbers/decimal.go
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,11 @@ func DecimalExp(dec string, exp int) string {
i -= origSize - len(dec)
// Fix bounds
if i <= 0 {
zeros := ""
var zeros strings.Builder
for ; i < 0; i++ {
zeros += "0"
zeros.WriteString("0")
}
return "0." + zeros + dec
return "0." + zeros.String() + dec
} else if i >= len(dec) {
for i > len(dec) {
dec += "0"
Expand All @@ -82,8 +82,8 @@ func HexToDecimal(hex string) (string, error) {

// CutZeroFractional cuts off a decimal separator and zeros to the right.
// Fails if the fractional part contains contains other digits than zeros.
// - CutZeroFractional("123.00000") => ("123", true)
// - CutZeroFractional("123.456") => ("", false)
// - CutZeroFractional("123.00000") => ("123", true)
// - CutZeroFractional("123.456") => ("", false)
func CutZeroFractional(dec string) (integer string, ok bool) {
// Get comma position
comma := strings.IndexRune(dec, '.')
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