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package internal
import (
"context"
"time"
"github.com/go-redis/redis/v8/internal/util"
)
func Sleep(ctx context.Context, dur time.Duration) error {
t := time.NewTimer(dur)
defer t.Stop()
select {
case <-t.C:
return nil
case <-ctx.Done():
return ctx.Err()
}
}
func ToLower(s string) string {
if isLower(s) {
return s
}
b := make([]byte, len(s))
for i := range b {
c := s[i]
if c >= 'A' && c <= 'Z' {
c += 'a' - 'A'
}
b[i] = c
}
return util.BytesToString(b)
}
func isLower(s string) bool {
for i := 0; i < len(s); i++ {
c := s[i]
if c >= 'A' && c <= 'Z' {
return false
}
}
return true
}
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