Promise Package

Package promise provides a robust implementation of Promises in Go, enabling asynchronous programming patterns similar to those found in JavaScript.

Features:

Asynchronous operations with resolution and rejection.
Chaining and composition of Promises.
Cancellation support.
Timeouts and context integration.
Utility functions like All and Race.

Usage Example

p := promise.NewPromise[int]()
p.Then(func(result int) interface{} {
    fmt.Println("Result:", result)
    return nil
}).Catch(func(err error) interface{} {
    fmt.Println("Error:", err)
    return nil
})

go func() {
    time.Sleep(2 * time.Second)
    p.Resolve(42)
}()

result, err := p.Await()
if err != nil {
    log.Fatal(err)
}
fmt.Println("Awaited Result:", result)

Last modified: 28 January 2025