util

func Annotate ¶

func Annotate(err error, format string, args ...any) error

Annotate provides an additional context for the error.

func DoWork ¶ added in v0.1.6

func DoWork(work func(m *monitoring.Metrics), rate int, pauseMs int, m *monitoring.Metrics)

DoWork enables rate-limiting of client-provided work and accepts a random interval to pause between executions of the provided function, as well as a rate argument that defines the allowed number of operations per second.

func Fail ¶

func Fail(err error, format string, args ...any)

A Fail prints the error message and then exits the program.

func GenString ¶

func GenString(n int) string

GenString generates a random string with length n

func Random ¶

func Random(min int, max int) int

Random generates a random number within a specified range.

func Sleep ¶

func Sleep(n int)

Sleep pauses the execution of the program for the generated number of microsecond. Interval is generated randomly with the upper bound limit provided by you.

func ValidateStr ¶

func ValidateStr(key string, keys []string)

ValidateStr checks if the string is allowed. Example:

ValidateStr("redis", []string{"redis", "memcached"}

func Warn ¶

func Warn(err error, format string, args ...any)

A Warn notifies you that something has gone wrong with the execution of the program.