appcore/ptr/ptr.go

// Copyright 2024 Patial Tech (Ankit Patial).
//
// This file is part of code.patial.tech/go/appcore, which is MIT licensed.
// See http://opensource.org/licenses/MIT

package ptr

import "strings"

func Ref[T string | bool | Num](v T) *T {
	return &v
}

func Deref[T any](v *T) T {
	if v == nil {
		var a T
		return a
	}
	return *v
}

func Bool(v bool) *bool {
	return &v
}

func GetBool(v *bool) bool {
	return Deref(v)
}

func Str(v string) *string {
	return &v
}

func GetStr(v *string) string {
	return Deref(v)
}

func StrTrim(v *string) *string {
	if v == nil {
		return nil
	}

	*v = strings.TrimSpace(*v)
	return v
}

type Num interface {
	uint8 | int8 | uint16 | int16 | uint32 | int32 | uint64 | int64 | uint | int | float32 | float64
}

func Number[T Num](v T) *T {
	return &v
}

func GetNumber[T Num](v *T) T {
	return Deref(v)
}