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35 lines
588 B
35 lines
588 B
package solutions |
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import ( |
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"strings" |
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) |
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func isAlphaNumerical(r rune) bool { |
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return (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') || (r >= '0' && r <= '9') |
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} |
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func isLowerRune(r rune) bool { |
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return r >= 'a' && r <= 'z' |
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} |
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func toUpperRune(r rune) rune { |
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if r >= 'a' && r <= 'z' { |
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return r - 32 |
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} |
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return r |
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} |
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func Capitalize(s string) string { |
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r := []rune(strings.ToLower(s)) |
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if isLowerRune(r[0]) { |
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r[0] = toUpperRune(r[0]) |
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} |
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for i := 1; i < len(r); i++ { |
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if (!isAlphaNumerical(r[i-1])) && (isLowerRune(r[i])) { |
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r[i] = toUpperRune(r[i]) |
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} |
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} |
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return string(r) |
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}
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