Imperative programming example

credit-card-processing-imperative.ts

function processPayment(amount: number, method: string) {
    switch (method) {
        case 'credit':
            // Process credit card payment
            break;
        case 'paypal':
            // Process PayPal payment
            break;
        case 'bank_transfer':
            // Process bank transfer
            break;
        // More payment methods...
        default:
            throw new Error('Unsupported payment method');
    }
}