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38 lines
534 B
38 lines
534 B
package main |
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import ( |
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"fmt" |
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"os" |
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"strconv" |
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solutions ".." |
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) |
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func NRune(s string, n int) rune { |
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if n > len(s) || n < 1 { |
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return 0 |
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} |
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runes := []rune(s) |
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return runes[n-1] |
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} |
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func main() { |
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if len(os.Args) != 3 { |
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return |
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} |
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val, err := strconv.Atoi(os.Args[2]) |
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if err != nil { |
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fmt.Printf("\"%s\" is not an integer value\n", os.Args[2]) |
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return |
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} |
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rune := solutions.NRune(os.Args[1], val) |
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if rune == 0 { |
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fmt.Printf("Invalid position: \"%d\" in \"%s\"\n", val, os.Args[1]) |
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return |
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} |
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fmt.Printf("%c\n", rune) |
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}
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