if p.tok != token.LBRACK {
				// To parse the expression starting with name, expand
				// the call sequence we would get by passing in name
				// to parser.expr, and pass in name to parsePrimaryExpr.
				p.exprLev++
				lhs := p.parsePrimaryExpr(x)
				x = p.parseBinaryExpr(lhs, token.LowestPrec+1)
				p.exprLev--
			}
			// Analyze expression x. If we can split x into a type parameter

		}
	}

	// all other nodes are expressions or types
	return x
}

// If lhs is set and the result is an identifier, it is not resolved.
func (p *parser) parsePrimaryExpr(lhs bool) ast.Expr {
	if p.trace {
		defer un(trace(p, "PrimaryExpr"))
	}

	x := p.parseOperand(lhs)
L:
	for {
		switch p.tok {
		case token.PERIOD:
			p.next()
			if lhs {