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convert.go
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convert.go
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// This file is part of the Smart Home
// Program complex distribution https://github.com/e154/smart-home
// Copyright (C) 2016-2021, Filippov Alex
//
// This library is free software: you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see
// <https://www.gnu.org/licenses/>.
package common
import (
"math"
"time"
)
// String ...
func String(v string) *string {
return &v
}
// StringValue ...
func StringValue(v *string) string {
if v != nil {
return *v
}
return ""
}
// Int ...
func Int(v int) *int {
return &v
}
// IntValue ...
func IntValue(v *int) int {
if v != nil {
return *v
}
return 0
}
// Int64 ...
func Int64(v int64) *int64 {
return &v
}
// Int64Value ...
func Int64Value(v *int64) int64 {
if v != nil {
return *v
}
return 0
}
// Time ...
func Time(v time.Time) *time.Time {
return &v
}
// TimeValue ...
func TimeValue(v *time.Time) time.Time {
if v != nil {
return *v
}
return time.Time{}
}
// Rounding ...
func Rounding(num float64, k uint) float64 {
p := math.Pow(10, float64(k))
return math.Floor(num*p) / p
}
// Rounding32 ...
func Rounding32(num float64, k uint) float32 {
p := math.Pow(10, float64(k))
return float32(math.Floor(num*p) / p)
}
// Bool ...
func Bool(v bool) *bool {
return &v
}
// BoolValue ...
func BoolValue(v *bool) bool {
if v != nil {
return *v
}
return false
}
// Float32 ...
func Float32(v float32) *float32 {
return &v
}
// Float32Value ...
func Float32Value(v *float32) float32 {
if v != nil {
return *v
}
return 0
}