From 5d3a9828f23d09643142c362566dadc8db87972b Mon Sep 17 00:00:00 2001 From: Hassan Aminfar <10630866+a69@users.noreply.github.com> Date: Sat, 26 Feb 2022 18:08:15 +0330 Subject: [PATCH] Add GoString method for Decimal and NullDecimal (#270) --- decimal.go | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/decimal.go b/decimal.go index c614ea7..b3d6875 100644 --- a/decimal.go +++ b/decimal.go @@ -1454,6 +1454,19 @@ func (d *Decimal) GobDecode(data []byte) error { 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. // NOTE: buggy, unintuitive, and DEPRECATED! Use StringFixed instead. func (d Decimal) StringScaled(exp int32) string { @@ -1682,6 +1695,15 @@ func (d NullDecimal) MarshalText() (text []byte, err error) { 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 // Atan returns the arctangent, in radians, of x.