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Retry

func Retry(fn func() error, maxAttempts int) error

Retry executes a function up to maxAttempts times, returning the first successful result. Returns the last error if all attempts fail. Returns an error if maxAttempts is less than 1.

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package main

import (
    "errors"
    "fmt"

    exc "github.com/Goldziher/go-utils/excutils"
)

func main() {
    attempts := 0

    err := exc.Retry(func() error {
        attempts++
        if attempts < 3 {
            return errors.New("temporary error")
        }
        return nil
    }, 5)

    if err == nil {
        fmt.Printf("Succeeded after %d attempts\n", attempts)
    }
}