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11 lines
294 B
Go
11 lines
294 B
Go
package utils
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import "net"
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func IsIPv4(ip net.IP) bool {
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// If ip is not an IPv4 address, To4 returns nil.
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// Note that there might be some corner cases, where this is not correct.
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// See https://stackoverflow.com/questions/22751035/golang-distinguish-ipv4-ipv6.
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return ip.To4() != nil
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}
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