50 lines
697 B
Go
50 lines
697 B
Go
package txt
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import (
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"strconv"
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)
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// Int converts a string to a signed integer or 0 if invalid.
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func Int(s string) int {
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if s == "" {
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return 0
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}
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result, err := strconv.ParseInt(s, 10, 32)
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if err != nil {
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return 0
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}
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return int(result)
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}
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// UInt converts a string to an unsigned integer or 0 if invalid.
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func UInt(s string) uint {
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if s == "" {
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return 0
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}
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result, err := strconv.ParseInt(s, 10, 32)
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if err != nil || result < 0 {
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return 0
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}
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return uint(result)
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}
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// IsUInt tests if a string represents an unsigned integer.
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func IsUInt(s string) bool {
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if s == "" {
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return false
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}
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for _, r := range s {
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if r < 48 || r > 57 {
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return false
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}
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}
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return true
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}
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