package main // --------------------------------------------------------- // EXERCISE: Currency Converter // // In this exercise, you're going to display currency exchange ratios // against USD. // // 1. Declare a few constants with iota. They're going to be the keys // of the array. // // 2. Create an array that contains the conversion ratios. // // You should use keyed elements and the contants you've declared before. // // 3. Get the USD amount to be converted from the command line. // // 4. Handle the error cases for missing or invalid input. // // 5. Print the exchange ratios. // // EXPECTED OUTPUT // go run main.go // Please provide the amount to be converted. // // go run main.go invalid // Invalid amount. It should be a number. // // go run main.go 10.5 // 10.50 USD is 9.24 EUR // 10.50 USD is 8.19 GBP // 10.50 USD is 1186.71 JPY // // go run main.go 1 // 1.00 USD is 0.88 EUR // 1.00 USD is 0.78 GBP // 1.00 USD is 113.02 JPY // --------------------------------------------------------- func main() { }