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marvinhosea/cause.go

Last active February 20, 2023 20:06
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Cause
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cause.go
package main
import (
"context"
"errors"
"log"
)
func main() {
ctx, cancelWithCause := context.WithCancelCause(context.Background())
cancelWithCause(errors.New("error: cancellation cause"))
<-ctx.Done()
log.Println(ctx.Err())
log.Println(context.Cause(ctx))
}
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