internal

package
v8.0.0-beta.13 Latest Latest
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Published: Jan 9, 2022 License: BSD-2-Clause Imports: 11 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AppendArg

func AppendArg(b []byte, v interface{}) []byte

func Bytes

func Bytes(s string) []byte

Bytes converts string to byte slice.

func RetryBackoff

func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration

func Sleep

func Sleep(ctx context.Context, dur time.Duration) error

func String

func String(b []byte) string

String converts byte slice to string.

func ToLower

func ToLower(s string) string

Types

type Logging

type Logging interface {
	Printf(ctx context.Context, format string, v ...interface{})
}
var Logger Logging = &logger{
	log: log.New(os.Stderr, "redis: ", log.LstdFlags|log.Lshortfile),
}

Logger calls Output to print to the stderr. Arguments are handled in the manner of fmt.Print.

type Once

type Once struct {
	// contains filtered or unexported fields
}

A Once will perform a successful action exactly once.

Unlike a sync.Once, this Once's func returns an error and is re-armed on failure.

func (*Once) Do

func (o *Once) Do(f func() error) error

Do calls the function f if and only if Do has not been invoked without error for this instance of Once. In other words, given

var once Once

if once.Do(f) is called multiple times, only the first call will invoke f, even if f has a different value in each invocation unless f returns an error. A new instance of Once is required for each function to execute.

Do is intended for initialization that must be run exactly once. Since f is niladic, it may be necessary to use a function literal to capture the arguments to a function to be invoked by Do:

err := config.once.Do(func() error { return config.init(filename) })

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