s.Body = append(s.Body, p.caseClause())
	}
	s.Rbrace = p.pos()
	p.want(_Rbrace)

	return s
}

func (p *parser) selectStmt() *SelectStmt {
	if trace {
		defer p.trace("selectStmt")()
	}

	s := new(SelectStmt)
	s.pos = p.pos()

	p.want(_Select)
	if !p.got(_Lbrace) {
		p.syntaxError("missing { after select clause")
		p.advance(_Case, _Default, _Rbrace)

// parameterized type or function value.
func (check *Checker) rawExpr(T *target, x *operand, e ast.Expr, hint Type, allowGeneric bool) exprKind {
	if check.conf._Trace {
		check.trace(e.Pos(), "-- expr %s", e)
		check.indent++
		defer func() {
			check.indent--
			check.trace(e.Pos(), "=> %s", x)
		}()
	}

	kind := check.exprInternal(T, x, e, hint)

	if !allowGeneric {
		check.nonGeneric(T, x)
	}

// parameterized type or function value.
func (check *Checker) rawExpr(T *target, x *operand, e syntax.Expr, hint Type, allowGeneric bool) exprKind {
	if check.conf.Trace {
		check.trace(e.Pos(), "-- expr %s", e)
		check.indent++
		defer func() {
			check.indent--
			check.trace(e.Pos(), "=> %s", x)
		}()
	}

	kind := check.exprInternal(T, x, e, hint)

	if !allowGeneric {
		check.nonGeneric(T, x)
	}

//	                 ::= fpT
//
//	<braced-expression> ::= <expression>
//	                    ::= di <field source-name> <braced-expression>
//	                    ::= dx <index expression> <braced-expression>
//	                    ::= dX <range begin expression> <range end expression> <braced-expression>
func (st *state) expression() AST {
	if len(st.str) == 0 {