50 lines
691 B
Go
50 lines
691 B
Go
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package state
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import (
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"crypto/md5"
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"fmt"
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)
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func KeyOfStrings(parts ...any) StringsKey {
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nonEmpty := make([]string, 0, len(parts))
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for i := range parts {
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if parts[i] == nil {
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continue
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}
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switch s := parts[i].(type) {
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case string:
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if s != "" {
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nonEmpty = append(nonEmpty, s)
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}
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case fmt.Stringer:
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if out := s.String(); out != "" {
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nonEmpty = append(nonEmpty, out)
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}
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}
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}
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return nonEmpty
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}
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type StringsKey []string
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func (k StringsKey) Bytes() []byte {
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if len(k) == 0 {
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return nil
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}
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h := md5.New()
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for i := range k {
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_, _ = h.Write([]byte(k[i]))
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}
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return h.Sum(nil)
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}
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type PlainKey []byte
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func (k PlainKey) Bytes() []byte {
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return k
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}
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