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56 lines
764 B
56 lines
764 B
package internal
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import (
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"context"
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"time"
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"github.com/go-redis/redis/v7/internal/util"
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)
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func Sleep(ctx context.Context, dur time.Duration) error {
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t := time.NewTimer(dur)
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defer t.Stop()
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select {
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case <-t.C:
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return nil
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case <-ctx.Done():
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return ctx.Err()
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}
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}
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func ToLower(s string) string {
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if isLower(s) {
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return s
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}
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b := make([]byte, len(s))
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for i := range b {
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c := s[i]
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if c >= 'A' && c <= 'Z' {
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c += 'a' - 'A'
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}
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b[i] = c
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}
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return util.BytesToString(b)
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}
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func isLower(s string) bool {
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for i := 0; i < len(s); i++ {
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c := s[i]
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if c >= 'A' && c <= 'Z' {
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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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func Unwrap(err error) error {
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u, ok := err.(interface {
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Unwrap() error
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})
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if !ok {
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return nil
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}
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return u.Unwrap()
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}
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