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
	defer check.closeScope()

	if recvPar != nil {
		// collect generic receiver type parameters, if any

// funcType type-checks a function or method type.
func (check *Checker) funcType(sig *Signature, recvPar *ast.FieldList, ftyp *ast.FuncType) {
	check.openScope(ftyp, "function")
	check.scope.isFunc = true
	check.recordScope(ftyp, check.scope)
	sig.scope = check.scope
	defer check.closeScope()

	if recvPar != nil && len(recvPar.List) > 0 {
		// collect generic receiver type parameters, if any

	assert(obj != nil && (recv == nil || len(index) > 0))
	check.recordUse(x.Sel, obj)
	if m := check.Selections; m != nil {
		m[x] = &Selection{kind, recv, obj, index, indirect}
	}
}

func (check *Checker) recordScope(node ast.Node, scope *Scope) {
	assert(node != nil)
	assert(scope != nil)
	if m := check.Scopes; m != nil {
		m[node] = scope
	}

	assert(obj != nil && (recv == nil || len(index) > 0))
	check.recordUse(x.Sel, obj)
	if m := check.Selections; m != nil {
		m[x] = &Selection{kind, recv, obj, index, indirect}
	}
}

func (check *Checker) recordScope(node syntax.Node, scope *Scope) {
	assert(node != nil)
	assert(scope != nil)
	if m := check.Scopes; m != nil {
		m[node] = scope
	}

		check.recordDef(file.PkgName, nil)

		fileScope := NewScope(pkg.scope, syntax.StartPos(file), syntax.EndPos(file), check.filename(fileNo))
		fileScopes = append(fileScopes, fileScope)
		check.recordScope(file, fileScope)

		// determine file directory, necessary to resolve imports
		// FileName may be "" (typically for tests) in which case
		// we get "." as the directory which is what we would want.

			pos, end = token.Pos(f.Base()), token.Pos(f.Base()+f.Size())
		}
		fileScope := NewScope(pkg.scope, pos, end, check.filename(fileNo))
		fileScopes = append(fileScopes, fileScope)
		check.recordScope(file, fileScope)

		// determine file directory, necessary to resolve imports
		// FileName may be "" (typically for tests) in which case
		// we get "." as the directory which is what we would want.

	check.openScopeUntil(node, syntax.EndPos(node), comment)
}

func (check *Checker) openScopeUntil(node syntax.Node, end syntax.Pos, comment string) {
	scope := NewScope(check.scope, node.Pos(), end, comment)
	check.recordScope(node, scope)
	check.scope = scope
}

func (check *Checker) closeScope() {
	check.scope = check.scope.Parent()
}

func (check *Checker) suspendedCall(keyword string, call syntax.Expr) {

			} else {
				first = d
			}
		}
	}
}

func (check *Checker) openScope(node ast.Node, comment string) {
	scope := NewScope(check.scope, node.Pos(), node.End(), comment)
	check.recordScope(node, scope)
	check.scope = scope
}

func (check *Checker) closeScope() {
	check.scope = check.scope.Parent()
}

func assignOp(op token.Token) token.Token {