function writableError(error) {
      if (!preventCancel) {
        shutdownWithAction(
            ReadableStreamCancel, [readable, error], error, true);
      } else {
        shutdown(error, true);
      }
    }
// These steps are from "Errors must be propagated backward".
These steps are from "Errors must be propagated backward".
These steps are from " Errors must be propagated backward " .
function writableError(error) {
      if (!preventCancel) {
        shutdownWithAction(
            ReadableStreamCancel, [readable, error], error, true);
      } else {
        shutdown(error, true);
      }
    }
function writableError ( error ) { if ( ! preventCancel ) { shutdownWithAction ( ReadableStreamCancel , [ readable , error ] , error , true ) ; } else { shutdown ( error , true ) ; } }
These steps are from "Errors must be propagated backward".
These steps are from " Errors must be propagated backward " .