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4 Commits

Author SHA1 Message Date
Antony Polukhin e8d104f34d Merge pull request #14 from gsauthof/verbatim
Add some missing verbatim markers
2018-10-16 22:31:35 +03:00
Georg Sauthoff a770ff87d7 Add some missing verbatim markers
i.e. completed one unbalanced and the rest for some non-verbatim
identifiers.
2018-10-16 21:22:10 +02:00
Antony Polukhin 29997a9fe1 Fix warning
`warning: catching polymorphic type ???class std::bad_cast??? by value`
2018-10-03 20:33:30 +03:00
Antony Polukhin 2a0a2a59f5 Fixed formatting in README and updated the AppveyorCI script 2017-05-20 10:42:53 +03:00
4 changed files with 13 additions and 17 deletions
+1 -1
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@@ -1,4 +1,4 @@
#[Boost.Conversion](http://boost.org/libs/conversion)
# [Boost.Conversion](http://boost.org/libs/conversion)
Boost.Conversion is one of the [Boost C++ Libraries](http://github.com/boostorg). This library improves program safety and clarity by performing otherwise messy conversions.
### Test results
+5 -5
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@@ -91,7 +91,7 @@ crosscasts of pointers to polymorphic objects, but error notification in
the form of a returned value of 0 is inconvenient to test, or worse yet,
easy to forget to test. The throwing form of `dynamic_cast`, which
works on references, can be used on pointers through the ugly expression
`&dynamic_cast<T&>(*p), which causes undefined
`&dynamic_cast<T&>(*p)`, which causes undefined
behavior if `p` is `0`. The `polymorphic_cast`
template performs a `dynamic_cast` on a pointer, and throws an
exception if the `dynamic_cast` returns 0.
@@ -99,12 +99,12 @@ exception if the `dynamic_cast` returns 0.
For crosscasts, or when the success of a cast can only be known at runtime,
or when efficiency is not important, `polymorphic_cast` is preferred.
The C++ built-in dynamic_cast must be used to cast references rather than pointers.
The C++ built-in `dynamic_cast` must be used to cast references rather than pointers.
It is also the only cast that can be used to check whether a given interface is supported; in that case a return of 0 isn't an error condition.
[#polymorphic_pointer_cast]
While polymorphic_downcast and polymorphic_cast work with built-in pointer types only,
polymorphic_pointer_downcast and polymorphic_pointer_cast are more generic versions
While `polymorphic_downcast` and `polymorphic_cast` work with built-in pointer types only,
`polymorphic_pointer_downcast` and `polymorphic_pointer_cast` are more generic versions
with support for any pointer type for which the following expressions would be valid:
For `polymorphic_pointer_downcast`:
@@ -192,6 +192,6 @@ This includes C++ built-in pointers, `std::shared_ptr`,
`polymorphic_pointer_downcast` was contributed by [@http://www.boost.org/people/boris_rasin.htm Boris Rasin]
and `polymorphic_pointer_cast` by Antony Polukhin.
An old numeric_cast that was contributed by [@http://www.boost.org/people/kevlin_henney.htm Kevlin Henney]
An old `numeric_cast` that was contributed by [@http://www.boost.org/people/kevlin_henney.htm Kevlin Henney]
is now superseeded by the [@boost:numeric_conversion/doc/html/html/boost_numericconversion/improved_numeric_cast__.html Boost Numeric Conversion Library]
[endsect]
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@@ -8,7 +8,7 @@
# See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
# and how it can be used with Boost libraries.
#
# File revision #3
# File revision #5
init:
- set BRANCH_TO_TEST=%APPVEYOR_REPO_BRANCH% # Change to branch you wish to test. Use %APPVEYOR_REPO_BRANCH% for current branch.
@@ -29,9 +29,7 @@ skip_tags: true
before_build:
- set PATH=%PATH%;C:\\MinGW\\bin
# Set this to the name of the library
- set PROJECT_TO_TEST=%APPVEYOR_PROJECT_NAME%
- echo "Testing %PROJECT_TO_TEST%"
- echo "Testing %APPVEYOR_PROJECT_NAME%"
# Cloning Boost libraries (fast nondeep cloning)
- set BOOST=C:/boost-local
- git init %BOOST%
@@ -39,19 +37,17 @@ before_build:
- git remote add --no-tags -t %BRANCH_TO_TEST% origin https://github.com/boostorg/boost.git
- git fetch --depth=1
- git checkout %BRANCH_TO_TEST%
- git submodule update --init --merge
- git submodule update --init --merge --jobs 16
- git remote set-branches --add origin %BRANCH_TO_TEST%
- git pull --recurse-submodules
- git status
#- git pull --recurse-submodules # Updaes submodules to most recent version. Not required
- rm -rf %BOOST%/libs/%BOOST_REMOVE%
- mv %APPVEYOR_BUILD_FOLDER% %BOOST%/libs/%PROJECT_TO_TEST%
- set TRAVIS_BUILD_DIR=%BOOST%/libs/%PROJECT_TO_TEST%
- mv %APPVEYOR_BUILD_FOLDER% %BOOST%/libs/%APPVEYOR_PROJECT_NAME%
build_script:
- call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x64
- bootstrap.bat
- b2.exe headers
- cd %BOOST%/libs/%PROJECT_TO_TEST%/test
- cd %BOOST%/libs/%APPVEYOR_PROJECT_NAME%/test
after_build:
before_test:
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@@ -72,7 +72,7 @@ int main( int argc, char * argv[] )
bool caught_exception = false;
try { derived = polymorphic_cast<Derived*>( base ); }
catch (std::bad_cast)
catch (const std::bad_cast&)
{ cout<<"caught bad_cast\n"; caught_exception = true; }
BOOST_TEST( caught_exception );
// the following is just so generated code can be inspected