ast.Walk(r, n.Init)
		}
		if n.Tag != nil {
			// The scope below reproduces some unnecessary behavior of the parser,
			// opening an extra scope in case this is a type switch. It's not needed
			// for expression switches.
			// TODO: remove this once we've matched the parser resolution exactly.
			if n.Init != nil {
				r.openScope(n.Tag.Pos())
				defer r.closeScope()
			}
			ast.Walk(r, n.Tag)
		}
		if n.Body != nil {

	utilfeature "k8s.io/apiserver/pkg/util/feature"
	utilflowcontrol "k8s.io/apiserver/pkg/util/flowcontrol"
	"k8s.io/klog/v2"
)

const (
	// We have set a buffer in order to reduce times of context switches.
	incomingBufSize = 100
	outgoingBufSize = 100
)

// defaultWatcherMaxLimit is used to facilitate construction tests
var defaultWatcherMaxLimit int64 = maxLimit

// given. There is not enough information supplied to do
// a full type check, but the type checker is expected to
// apply information that can be derived from variable
// declarations, function and method returns, and type switches
// as far as it can, so that the caller can still tell the types
// of expression relevant to a particular fix.
//
// TODO(rsc,gri): Replace with go/typechecker.

	// x-kubernetes-preserve-unknown-fields stops the API server
	// decoding step from pruning fields which are not specified
	// in the validation schema. This affects fields recursively,
	// but switches back to normal pruning behaviour if nested
	// properties or additionalProperties are specified in the schema.
	// This can either be true or undefined. False is forbidden.

	// x-kubernetes-preserve-unknown-fields stops the API server
	// decoding step from pruning fields which are not specified
	// in the validation schema. This affects fields recursively,
	// but switches back to normal pruning behaviour if nested
	// properties or additionalProperties are specified in the schema.
	// This can either be true or undefined. False is forbidden.

	return NewReaderSize(rd, defaultBufSize)
}

// Size returns the size of the underlying buffer in bytes.
func (b *Reader) Size() int { return len(b.buf) }

// Reset discards any buffered data, resets all state, and switches
// the buffered reader to read from r.
// Calling Reset on the zero value of [Reader] initializes the internal buffer
// to the default size.
// Calling b.Reset(b) (that is, resetting a [Reader] to itself) does nothing.

	// (not recorded with the unifier).
	// Ensure that if we have at least one type parameter, it is in x
	// (the earlier swap checks for _recorded_ type parameters only).
	// This ensures that the switch switches on the type parameter.
	//
	// TODO(gri) Factor out type parameter handling from the switch.
	if isTypeParam(y) {
		if traceInference {
			u.tracef("%s ≡ %s\t// swap", y, x)
		}
		x, y = y, x
	}

	// (not recorded with the unifier).
	// Ensure that if we have at least one type parameter, it is in x
	// (the earlier swap checks for _recorded_ type parameters only).
	// This ensures that the switch switches on the type parameter.
	//
	// TODO(gri) Factor out type parameter handling from the switch.
	if isTypeParam(y) {
		if traceInference {
			u.tracef("%s ≡ %s\t// swap", y, x)
		}
		x, y = y, x
	}

		fmt.Fprintf(os.Stderr, "go: %v\n", err)
	} else if ld.Switcher != nil {
		ld.Switcher.Error(err)
	} else {
		base.Error(err)
	}
}

// switchIfErrors switches toolchains if a switch is needed.
func (ld *loader) switchIfErrors(ctx context.Context) {
	if ld.Switcher != nil {
		ld.Switcher.Switch(ctx)
	}
}

// exitIfErrors switches toolchains if a switch is needed

	WasmImportSym *LSym
	WasmImport    *WasmImport

	sehUnwindInfoSym *LSym
}

// JumpTable represents a table used for implementing multi-way
// computed branching, used typically for implementing switches.
// Sym is the table itself, and Targets is a list of target
// instructions to go to for the computed branch index.
type JumpTable struct {
	Sym     *LSym
	Targets []*Prog
}