I am seeing an example of ostream& operator<<(std::ostream& os, Loc& lc) that
should work. did something change between now and 30 years ago?
-------------
Jim Michaels<jmich...@yahoo.com> j...@renewalcomputerservices.com
http://www.RenewalComputerServices.com
http://www.JesusnJim.com (computer repair info, programming)
From: lh_mouse <lh_mo...@126.com>
To: mingw-w64-public <mingw-w64-public@lists.sourceforge.net>
Sent: Thursday, March 31, 2016 10:04 AM
Subject: Re: [Mingw-w64-public] improper errors on what should be valid code
syntax
I have no idea what you are trying to do by putting stuff into the namespace
std.
Again, you should attach your source file and let me have a look.
------------------
Best regards,
lh_mouse
2016-04-01
-------------------------------------------------------------
发件人：Jim Michaels <jmich...@yahoo.com>
发送日期：2016-04-01 01:00
收件人：mingw-w64-public@lists.sourceforge.net
抄送：
主题：Re: [Mingw-w64-public] improper errors on what should be
valid code syntax
excuse me again. the compiler has been thrown into some strange state where
it's wildly tossing errors. I don't know what caused it. first error was
overloading not allowed for at. probably at and erase for #3.
#3.1 didn't change anything, but I changed T to _T.
2 If a program declares or defines a name in a context where it is reserved,
other than as explicitly allowed by
this Clause, its behavior is undefined.... meaning what? how would I
specifically use "this"?
thanks for the tips.
namespace std { template<class _T>
class tree {//outline or N-ary Tree
From: lh_mouse <lh_mo...@126.com>
To: mingw-w64-public <mingw-w64-public@lists.sourceforge.net>
Sent: Thursday, March 31, 2016 9:37 AM
Subject: Re: [Mingw-w64-public] improper errors on what should be valid code
syntax
Your code is NOT valid.
You are using the reserved identifier '_T'. Your code results in undefined
behavior.
Attach the source file and let us see how to fix it.
------------------------------------
WG21 (ISO/IEC C++) N4582
2.10 Identifiers [lex.name]
3 In addition, some identifiers are reserved for use by C++ implementations and
shall not be used otherwise; no
diagnostic is required.
(3.1) — Each identifier that contains a double underscore __ or begins with an
underscore followed by an
uppercase letter is reserved to the implementation for any use.
(3.2) — Each identifier that begins with an underscore is reserved to the
implementation for use as a name in
the global namespace.
17.6.4.3 Reserved names [reserved.names]
2 If a program declares or defines a name in a context where it is reserved,
other than as explicitly allowed by
this Clause, its behavior is undefined.
------------------
Best regards,
lh_mouse
2016-04-01
-------------------------------------------------------------
发件人：Jim Michaels <jmich...@yahoo.com>
发送日期：2016-04-01 00:30
收件人：mingw64 users
抄送：
主题：[Mingw-w64-public] improper errors on what should be valid code
syntax
c:\jim\tree>g++ -std=c++11 -W -Wall -otree2.o tree2.cpp 2>tree2.err.txt
c:\jim\tree>gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=c:/gcc-5-win32/bin/../libexec/gcc/i686-w64-mingw32/5.3.1/lto-wrapper.exe
Target: i686-w64-mingw32
Configured with: /home/cauchy/vcs/svn/gcc/branches/gcc-5-branch/configure
--prefix=/home/cauchy/native/gcc-5-win32
--with-sysroot=/home/cauchy/native/gcc-5
-win32 --build=x86_64-unknown-linux-gnu --host=i686-w64-mingw32
--target=i686-w64-mingw32 --disable-multilib --disable-nls
--disable-win32-registry --disab
le-gcov-tool --enable-checking=release --enable-languages=c,c++,fortran
--enable-fully-dynamic-string --with-arch=core2 --with-tune=generic
Thread model: win32
gcc version 5.3.1 20160318 (GCC)
c:\jim\tree>
tree2.cpp:121:19: error: 'std::tree<_T>&
std::tree<_T>::at(std::tree<_T>::VTREE_LEAVESI, std::tree<_T>::VTREE_LEAVEST&)'
cannot be overloaded
tree<_T>& at(VTREE_LEAVESI iCurNode, VTREE_LEAVEST& indices) {//by
iterator - no recursion needed
^
tree2.cpp:100:24: error: with 'std::tree<_T>::VTREE_LEAVESI&
std::tree<_T>::at(std::tree<_T>::VTREE_LEAVESI, std::tree<_T>::VTREE_LEAVEST&)'
VTREE_LEAVESI& at(VTREE_LEAVESI iCurNode, VTREE_LEAVEST& indices)
{//by iterator - no recursion needed
^
tree2.cpp: In member function 'std::tree<_T>::VTREE_LEAVESI&
std::tree<_T>::linearAddress(std::tree<_T>::VTREE_LEAVEST&)':
tree2.cpp:203:47: error: 'indices' was not declared in this scope
} else if (0!=leaves.size() && 0==indices.size()) {
^
tree2.cpp: At global scope:
tree2.cpp:248:12: error: expected initializer before 'operator'
_T operator[](VTREE_LEAVEST& index) {
^
tree2.cpp:274:15: error: expected constructor, destructor, or type conversion
before '(' token
insert(VTREE_LEAVESI& iInsertionPoint, S_TREE_LEAVES& iTreeNode) {
^
tree2.cpp:279:20: error: variable or field 'erase' declared void
void erase(VTREE_LEAVESI& iTreeNodeFrom, VTREE_LEAVESI&
iTreeNodeToNotIncluding) {
^
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