It seems that you don't have extended0x defined as regex_p is defaulting
to an integer.
On 10/04/2018 6:26 PM, Charles Mills wrote:
Auto seems to have some sort of limitations
auto regex_p = new std::tr1::regex("foo", flags);
"/u/xxxxxx/FEB2018/Source/SANDBOX.C", line 27.20: CCN5257 (S) An object or reference of
type "int" cannot be
initialized with an expression of type
"std::tr1::_EBCDIC::basic_regex<char,std::tr1::_EBCDIC::regex_traits<char> > *".
z/OS V2R2
Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of David Crayford
Sent: Monday, April 9, 2018 9:33 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Any C++ regex template class gotchas?
On 9/04/2018 7:55 PM, Charles Mills wrote:
David -
Thanks for everything. I guess I will PMR it. As pointed out in another thread,
the PMR process is painful. It does me little good because I can't ship a
product that requires some obscure PTF -- the sales team would kill me.
I feel your pain.
Nah, the tr1 doesn't bother me. It's like having to code those pesky semicolons
or those pesky double equal signs. It is what it is. My Visual Studio accepts
but does not require the tr1:: for regex. I use Visual Assist and it tends to
autocomplete these things for me anyway, so it is little trouble.
I used namespace when I started out in C++ but then decided I was collapsing
the name space. I would rather have to code std:: every time than to have some
weird problem caused by an unexpected symbol name duplication.
Me too. I avoid usings like "using namespace std". The using I posted brings the tr1
namespace into std so I can use std::regex and not std::tr1::regex. I don't use visual studio
and clang and g++ require including special headers like <tr1/regex> which I would rather
not do.
I use auto sometimes but tend not to think to use it except in template
functions and that sort of thing.
auto has moved on significantly since C++14 and C++17 and you can now define a
function with an auto return value. It's also important for lambda's. Especially
useful for iterators so you don't have to code something like
std::unsorted_map<int, std::string>::iterator or use typedefs.
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