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Re: Trying to find a link for information about parsing template parameters and the >> problem
- From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
- To: Alec Teal <a dot teal at warwick dot ac dot uk>
- Cc: Ian Lance Taylor <iant at google dot com>, GCC Development <gcc at gcc dot gnu dot org>
- Date: Mon, 1 Apr 2013 21:08:17 +0100
- Subject: Re: Trying to find a link for information about parsing template parameters and the >> problem
- References: <22re5ayggskm90gs3r2t67go dot 1364831731929 at email dot android dot com> <CAKOQZ8wq18_3Q8T4Cf4Z4VSNSy3zkV70sehHUrUnDB9XBCbmjw at mail dot gmail dot com> <5159E355 dot 9040200 at warwick dot ac dot uk>
On 1 April 2013 20:43, Alec Teal wrote:
>> I don't have a link, but it seems to me that the issue is obvious.
>> The C++ lexer recognizes >> as a single token. So when you write
>> std::vector<std::vector<int>>
>> the final >> is parsed as a single token, rather than the two separate
>> tokens that the parser expects.
>
> Yes that is (was) the problem, I remember reading a document online, I cannot recall where that looked at three ways of solving it and evaluated them, I know of the problem but I want that guy's evaluation! the article spoke about GCC, I'm sure it was under the gnu domain.... gah! I wish I could recall!
Probably http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1757.html