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MustNotNil

func MustNotNil[T any](value *T, messages ...string) T

MustNotNil panics with a formatted error message if the value is nil. Returns the dereferenced value if not nil.

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package main

import (
    ptr "github.com/Goldziher/go-utils/ptrutils"
    exc "github.com/Goldziher/go-utils/excutils"
)

func main() {
    numPtr := ptr.To(42)

    // Returns dereferenced value if not nil
    value := exc.MustNotNil(numPtr, "number must not be nil")
    println(value)  // 42

    // Panics if nil
    var nilPtr *int
    exc.MustNotNil(nilPtr, "unexpected nil value")  // panics
}