34 lines
472 B
Go
34 lines
472 B
Go
package main
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import (
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"bufio"
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"fmt"
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"os"
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)
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func main() {
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stdin := bufio.NewReader(os.Stdin)
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fmt.Println("Please enter an integer: ")
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var i1 int
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for {
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_, err := fmt.Fscan(stdin, &i1)
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if err == nil {
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break
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}
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stdin.ReadString('\n')
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fmt.Println("Sorry, invalid input. Please enter an integer: ")
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flush(stdin)
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}
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fmt.Println(i1)
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}
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func flush(reader *bufio.Reader) {
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var i2 int
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for i2 = 0; i2 < reader.Buffered(); i2++ {
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reader.ReadByte()
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}
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}
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