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RetryWithResult

func RetryWithResult[T any](fn func() (T, error), maxAttempts int) (T, error)

RetryWithResult executes a function up to maxAttempts times, returning the first successful result. Returns the result and error from the last attempt if all fail.

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package main

import (
    "errors"
    "fmt"

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

func main() {
    attempts := 0

    result, err := exc.RetryWithResult(func() (int, error) {
        attempts++
        if attempts < 3 {
            return 0, errors.New("temporary error")
        }
        return 42, nil
    }, 5)

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