if t.Kind() != Array {
		return nil
	}
	return (*ArrayType)(unsafe.Pointer(t))
}

// FuncType returns t cast to a *FuncType, or nil if its tag does not match.
func (t *Type) FuncType() *FuncType {
	if t.Kind() != Func {
		return nil
	}
	return (*FuncType)(unsafe.Pointer(t))
}

// InterfaceType returns t cast to a *InterfaceType, or nil if its tag does not match.

}

func (t rtype) NumIn() int {
	tt := t.Type.FuncType()
	if tt == nil {
		panic("reflect: NumIn of non-func type")
	}
	return int(tt.InCount)
}

func (t rtype) NumOut() int {
	tt := t.Type.FuncType()
	if tt == nil {
		panic("reflect: NumOut of non-func type")
	}
	return tt.NumOut()
}

func (t rtype) Out(i int) Type {
	tt := t.Type.FuncType()
	if tt == nil {

				continue
			}
			return n.Pos()
		// types
		// case *ArrayType:
		// case *SliceType:
		// case *DotsType:
		// case *StructType:
		// case *Field:
		// case *InterfaceType:
		// case *FuncType:
		// case *MapType:
		// case *ChanType:

		// statements
		// case *EmptyStmt:
		// case *LabeledStmt:
		// case *BlockStmt:
		// case *ExprStmt:
		case *SendStmt:
			m = n.Chan
		// case *DeclStmt:

// chanType represents a channel type.
type chanType = abi.ChanType

// funcType represents a function type.
//
// A *rtype for each in and out parameter is stored in an array that
// directly follows the funcType (and possibly its uncommonType). So
// a function type with one method, one input, and one output is:
//
//	struct {
//		funcType
//		uncommonType
//		[2]*rtype    // [0] is in, [1] is out
//	}

type interfacetype = abi.InterfaceType

type maptype = abi.MapType

type arraytype = abi.ArrayType

type chantype = abi.ChanType

type slicetype = abi.SliceType

type functype = abi.FuncType

type ptrtype = abi.PtrType

type name = abi.Name

type structtype = abi.StructType

func pkgPath(n name) string {
	if n.Bytes == nil || *n.Data(0)&(1<<2) == 0 {
		return ""
	}

	"go/parser"
	"go/token"
	"io/fs"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"sync"
	"testing"
)

var typeNames = []string{
	"uncommonType",
	"arrayType",
	"chanType",
	"funcType",
	"interfaceType",
	"ptrType",
	"sliceType",
	"structType",
}

type visitor struct {
	m map[string]map[string]bool
}

func newVisitor() visitor {
	v := visitor{}

			break
		}

		// Add the result type, if any.
		if name.FuncType.Result != nil {
			rtype := p.rewriteUnsafe(name.FuncType.Result.Go)
			if rtype != name.FuncType.Result.Go {
				needsUnsafe = true
			}
			sb.WriteString(gofmt(rtype))
			result = true
		}

		// Add the second result type, if any.
		if twoResults {
			if name.FuncType.Result == nil {
				// An explicit void result looks odd but it

func (t *Type) ResultsTuple() *Type { return t.funcType().resultsTuple }

// Recvs returns a slice of receiver parameters of signature type t.
// The returned slice always has length 0 or 1.
func (t *Type) Recvs() []*Field { return t.funcType().recvs() }

// Params returns a slice of regular parameters of signature type t.
func (t *Type) Params() []*Field { return t.funcType().params() }

	}
	p.want(_Rbrack)
	return x
}

// If context != "", type parameters are not permitted.
func (p *parser) funcType(context string) ([]*Field, *FuncType) {
	if trace {
		defer p.trace("funcType")()
	}

	typ := new(FuncType)
	typ.pos = p.pos()

	var tparamList []*Field
	if p.got(_Lbrack) {
		if context != "" {
			// accept but complain

// ----------------------------------------------------------------------------
// Implementation

// funcType type-checks a function or method type.
func (check *Checker) funcType(sig *Signature, recvPar *syntax.Field, tparams []*syntax.Field, ftyp *syntax.FuncType) {
	check.openScope(ftyp, "function")
	check.scope.isFunc = true
	check.recordScope(ftyp, check.scope)
	sig.scope = check.scope