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Add GoString method for Decimal and NullDecimal (#270)

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Hassan Aminfar 2022-02-26 18:08:15 +03:30
parent fa3b22f4d4
commit 5d3a9828f2
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1 changed files with 22 additions and 0 deletions
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22
decimal.go
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@ -1454,6 +1454,19 @@ func (d *Decimal) GobDecode(data []byte) error {
return d.UnmarshalBinary(data) return d.UnmarshalBinary(data)
} }
// GoString implements fmt.GoStringer and formats %#v to be printed in Go
// source code.
func (d *Decimal) GoString() string {
if d.value.IsInt64() {
return fmt.Sprintf("decimal.New(%d,%d)", d.value.Int64(), d.exp)
}
if d.value.Sign() < 0 {
return fmt.Sprintf("decimal.NewFromBigInt(new(big.Int).Neg(new(big.Int).SetBits(%#v)),%d)", d.value.Bits(), d.exp)
}
return fmt.Sprintf("decimal.NewFromBigInt(new(big.Int).SetBits(%#v),%d)", d.value.Bits(), d.exp)
}
// StringScaled first scales the decimal then calls .String() on it. // StringScaled first scales the decimal then calls .String() on it.
// NOTE: buggy, unintuitive, and DEPRECATED! Use StringFixed instead. // NOTE: buggy, unintuitive, and DEPRECATED! Use StringFixed instead.
func (d Decimal) StringScaled(exp int32) string { func (d Decimal) StringScaled(exp int32) string {
@ -1682,6 +1695,15 @@ func (d NullDecimal) MarshalText() (text []byte, err error) {
return d.Decimal.MarshalText() return d.Decimal.MarshalText()
} }
// GoString implements fmt.GoStringer and formats %#v to be printed in Go
// source code.
func (d NullDecimal) GoString() string {
if !d.Valid {
return "decimal.NullDecimal{Valid: false}"
}
return `decimal.NewNullDecimal(` + d.Decimal.GoString() + `)`
}
// Trig functions // Trig functions
// Atan returns the arctangent, in radians, of x. // Atan returns the arctangent, in radians, of x.