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