lbry.go/extras/util/pointer.go
2019-10-10 05:07:33 +02:00

56 lines
1.9 KiB
Go

// mostly copied from github.com/AlekSi/pointer
// Provides helpers to get pointers to values of build-in types.
package util
import (
"time"
"github.com/lbryio/lbry.go/v2/extras/null"
)
func PtrToBool(b bool) *bool { return &b }
func PtrToByte(b byte) *byte { return &b }
func PtrToComplex128(c complex128) *complex128 { return &c }
func PtrToComplex64(c complex64) *complex64 { return &c }
func PtrToError(e error) *error { return &e }
func PtrToFloat32(f float32) *float32 { return &f }
func PtrToFloat64(f float64) *float64 { return &f }
func PtrToInt(i int) *int { return &i }
func PtrToInt16(i int16) *int16 { return &i }
func PtrToInt32(i int32) *int32 { return &i }
func PtrToInt64(i int64) *int64 { return &i }
func PtrToInt8(i int8) *int8 { return &i }
func PtrToRune(r rune) *rune { return &r }
func PtrToString(s string) *string { return &s }
func PtrToTime(t time.Time) *time.Time { return &t }
func PtrToUint(u uint) *uint { return &u }
func PtrToUint16(u uint16) *uint16 { return &u }
func PtrToUint32(u uint32) *uint32 { return &u }
func PtrToUint64(u uint64) *uint64 { return &u }
func PtrToUint8(u uint8) *uint8 { return &u }
func PtrToUintptr(u uintptr) *uintptr { return &u }
func PtrToNullString(s string) *null.String { n := null.StringFrom(s); return &n }
func PtrToNullUint64(u uint64) *null.Uint64 { n := null.Uint64From(u); return &n }
func StrFromPtr(ptr *string) string {
if ptr == nil {
return ""
}
return *ptr
}
func StrFromNull(str null.String) string {
if !str.Valid {
return ""
}
return str.String
}
func NullStringFrom(s string) null.String {
if s == "" {
return null.String{}
}
return null.StringFrom(s)
}