util

Documentation

Index

• func Address(network, host string) string
• func AsService(fn func(ctx context.Context), creator string) suture.Service
• func CallWithContext(ctx context.Context, fn func() error) error
• func CopyMatchingTag(from interface{}, to interface{}, tag string, ...)
• func FillNilSlices(data interface{}) error
• func SetDefaults(data interface{})
• func UniqueTrimmedStrings(ss []string) []string
• type ServiceWithError
  • func AsServiceWithError(fn func(ctx context.Context) error, creator string) ServiceWithError

Functions

func Address

func Address(network, host string) string

Address constructs a URL from the given network and hostname.

func AsService

func AsService(fn func(ctx context.Context), creator string) suture.Service

AsService wraps the given function to implement suture.Service by calling that function on serve and closing the passed channel when Stop is called.

func CallWithContext

func CallWithContext(ctx context.Context, fn func() error) error

func CopyMatchingTag

func CopyMatchingTag(from interface{}, to interface{}, tag string, shouldCopy func(value string) bool)

CopyMatchingTag copies fields tagged tag:"value" from "from" struct onto "to" struct.

func FillNilSlices

func FillNilSlices(data interface{}) error

FillNilSlices sets default value on slices that are still nil.

func SetDefaults

func SetDefaults(data interface{})

SetDefaults sets default values on a struct, based on the default annotation.

func UniqueTrimmedStrings

func UniqueTrimmedStrings(ss []string) []string

UniqueTrimmedStrings returns a list on unique strings, trimming at the same time.

Types

type ServiceWithError

type ServiceWithError interface {
	suture.Service
	fmt.Stringer
	Error() error
	SetError(error)
}

func AsServiceWithError

func AsServiceWithError(fn func(ctx context.Context) error, creator string) ServiceWithError

AsServiceWithError does the same as AsService, except that it keeps track of an error returned by the given function.