Help us shape the future of Go! Take the 2026 Go Developer Survey

Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

types

package

Go to main page

Versions in this module

v1

v1.1.0

Oct 29, 2026

v1.0.0

Oct 26, 2026

Changes in this version

+ const DefaultDateLayout

+ func Pointer[T any](val T) *T

+ type DateTime struct

+ func NowDateTime() DateTime

+ func ParseDateTime(value any) (DateTime, error)

+ func (d *DateTime) Scan(value any) error

+ func (d *DateTime) UnmarshalJSON(b []byte) error

+ func (d DateTime) Add(duration time.Duration) DateTime

+ func (d DateTime) AddDate(years, months, days int) DateTime

+ func (d DateTime) After(u DateTime) bool

+ func (d DateTime) Before(u DateTime) bool

+ func (d DateTime) Compare(u DateTime) int

+ func (d DateTime) Equal(u DateTime) bool

+ func (d DateTime) IsZero() bool

+ func (d DateTime) MarshalJSON() ([]byte, error)

+ func (d DateTime) String() string

+ func (d DateTime) Sub(u DateTime) time.Duration

+ func (d DateTime) Time() time.Time

+ func (d DateTime) Unix() int64

+ func (d DateTime) Value() (driver.Value, error)

+ type GeoPoint struct

+ Lat float64

+ Lon float64

+ func (p *GeoPoint) Scan(value any) error

+ func (p GeoPoint) AsMap() map[string]any

+ func (p GeoPoint) String() string

+ func (p GeoPoint) Value() (driver.Value, error)

+ type JSONArray []T

+ func (m *JSONArray[T]) Scan(value any) error

+ func (m JSONArray[T]) MarshalJSON() ([]byte, error)

+ func (m JSONArray[T]) String() string

+ func (m JSONArray[T]) Value() (driver.Value, error)

+ type JSONMap map[string]T

+ func (m *JSONMap[T]) Scan(value any) error

+ func (m JSONMap[T]) Get(key string) T

+ func (m JSONMap[T]) MarshalJSON() ([]byte, error)

+ func (m JSONMap[T]) Set(key string, value T)

+ func (m JSONMap[T]) String() string

+ func (m JSONMap[T]) Value() (driver.Value, error)

+ type JSONRaw []byte

+ func ParseJSONRaw(value any) (JSONRaw, error)

+ func (j *JSONRaw) Scan(value any) error

+ func (j *JSONRaw) UnmarshalJSON(b []byte) error

+ func (j JSONRaw) MarshalJSON() ([]byte, error)

+ func (j JSONRaw) String() string

+ func (j JSONRaw) Value() (driver.Value, error)

+ type Vector []float32

+ func (v *Vector) Scan(value any) error

+ func (v *Vector) UnmarshalJSON(data []byte) error

+ func (v Vector) MarshalJSON() ([]byte, error)

+ func (v Vector) String() string

+ func (v Vector) Value() (driver.Value, error)