*
 * Start a {@code ClosingFuture} pipeline {@linkplain #submit(ClosingCallable, Executor) from a
 * callable block} that may capture objects for later closing. To start a pipeline from a {@link
 * ListenableFuture} that doesn't create resources that should be closed later, you can use {@link
 * #from(ListenableFuture)} instead.
 *
 * <h3>Derived steps</h3>
 *

 *
 * Start a {@code ClosingFuture} pipeline {@linkplain #submit(ClosingCallable, Executor) from a
 * callable block} that may capture objects for later closing. To start a pipeline from a {@link
 * ListenableFuture} that doesn't create resources that should be closed later, you can use {@link
 * #from(ListenableFuture)} instead.
 *
 * <h3>Derived steps</h3>
 *

//    XlaSendFromHost to this sequencer node, so all outside compilation nodes
//    will be executed *before* this sequencer).
// 2) a "key placeholder" node. Later in ExpandHostGraphIntoMainGraph(), we will
//    replace this node with compilation result node.
// 3) all outside compilation graphs.
Status ConstructHostGraph(

    read/assign ops on local variables. A later resource lifting pass can further
    remove the local variables.

    This pass requires that the full shape of the tensor array can be inferred:
    1) the size needs to be a constant, 2) it specifies the full element shape,
    or that can be inferred from a later write, and 3) all elements have the same
    shape.
  }];

		if !rt.IsDirectCallOrJump() && !isPLTCall(rt) {
			continue
		}
		rs := r.Sym()
		if !ldr.AttrReachable(rs) || ldr.SymType(rs) == sym.Sxxx {
			continue // something is wrong. skip it here and we'll emit a better error later
		}

		if ldr.SymValue(rs) == 0 && ldr.SymType(rs) != sym.SDYNIMPORT && ldr.SymType(rs) != sym.SUNDEFEXT {
			// Symbols in the same package are laid out together (if we
			// don't randomize the function order).

			Err:         err,
		}
		perr.setPos(importPos)
		return p, perr
	}

	return p, nil
}

// loadPackageData loads information needed to construct a *Package. The result
// is cached, and later calls to loadPackageData for the same package will return
// the same data.
//
// loadPackageData returns a non-nil package even if err is non-nil unless

	if major < 3 {
		return errors.New(errmsg)
	}
	if major > 3 {
		// 4.0 or later
		return nil
	}

	// We have SWIG version 3.x.
	if len(matches[2]) > 0 {
		minor, err := strconv.Atoi(string(matches[2][1:]))
		if err != nil {
			return nil
		}
		if minor > 0 {
			// 3.1 or later
			return nil
		}
	}

	// We have SWIG version 3.0.x.

	// 1xx class or the modified headers are trailers.
	//
	// There are two ways to set Trailers. The preferred way is to
	// predeclare in the headers which trailers you will later
	// send by setting the "Trailer" header to the names of the
	// trailer keys which will come later. In this case, those
	// keys of the Header map are treated as if they were
	// trailers. See the example. The second way, for trailer

		for i := 0; i < n; i++ {
			if !v.Field(i).IsZero() && v.Type().Field(i).Name != "_" {
				return false
			}
		}
		return true
	default:
		// This should never happen, but will act as a safeguard for later,
		// as a default value doesn't makes sense here.
		panic(&ValueError{"reflect.Value.IsZero", v.Kind()})
	}
}

// isZero For all zeros, performance is not as good as

		if err == nil || !errors.Is(err, driver.ErrBadConn) {
			return err
		}
	}

	return fn(alwaysNewConn)
}

// PrepareContext creates a prepared statement for later queries or executions.
// Multiple queries or executions may be run concurrently from the
// returned statement.
// The caller must call the statement's [*Stmt.Close] method
// when the statement is no longer needed.