// send statement
		arrow := p.pos
		p.next() // consume "<-"
		y := p.parseRhs()
		return &ast.SendStmt{x[0], arrow, y}

	case token.INC, token.DEC:
		// increment or decrement
		s := &ast.IncDecStmt{x[0], p.pos, p.tok}
		p.next() // consume "++" or "--"
		return s
	}

	// expression
	return &ast.ExprStmt{x[0]}
}

func (p *parser) parseCallExpr() *ast.CallExpr {
	x := p.parseRhs()

	b.pos = p.pos()
	return b
}

// ----------------------------------------------------------------------------
// Statements

// SimpleStmt = EmptyStmt | ExpressionStmt | SendStmt | IncDecStmt | Assignment | ShortVarDecl .
func (p *parser) simpleStmt(lhs Expr, keyword token) SimpleStmt {
	if trace {
		defer p.trace("simpleStmt")()
	}

	if keyword == _For && p.tok == _Range {
		// _Range expr

	case *ast.SendStmt:
		const depth = 1
		p.expr0(s.Chan, depth)
		p.print(blank)
		p.setPos(s.Arrow)
		p.print(token.ARROW, blank)
		p.expr0(s.Value, depth)

	case *ast.IncDecStmt:
		const depth = 1
		p.expr0(s.X, depth+1)
		p.setPos(s.TokPos)
		p.print(s.Tok)

	case *ast.AssignStmt:
		var depth = 1
		if len(s.Lhs) > 1 && len(s.Rhs) > 1 {
			depth++
		}

		arrow := p.pos
		p.next()
		y := p.parseRhs()
		return &ast.SendStmt{Chan: x[0], Arrow: arrow, Value: y}, false

	case token.INC, token.DEC:
		// increment or decrement
		s := &ast.IncDecStmt{X: x[0], TokPos: p.pos, Tok: p.tok}
		p.next()
		return s, false
	}

	// expression
	return &ast.ExprStmt{X: x[0]}, false
}

func (p *parser) parseCallExpr(callType string) *ast.CallExpr {