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Revert "Revert operator bool() to its pre-failed value() != 0 meaning"

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This reverts commit 3164b387a5.
This commit is contained in:
Peter Dimov
2020-06-16 20:24:23 +03:00
parent 6942dc454b
commit 5d3365717e
3 changed files with 11 additions and 11 deletions
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4
doc/system/reference.adoc
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@ -626,7 +626,7 @@ constexpr explicit operator bool() const noexcept;
[none]
* {blank}
+
Returns: :: `val_ != 0`.
Returns: :: `failed()`.
```
operator std::error_code() const;
@ -789,7 +789,7 @@ constexpr explicit operator bool() const noexcept;
[none]
* {blank}
+
Returns: :: `val_ != 0`.
Returns: :: `failed()`.
```
operator std::error_condition() const;

12
include/boost/system/error_code.hpp
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@ -515,7 +515,7 @@ public:
BOOST_SYSTEM_CONSTEXPR explicit operator bool() const BOOST_NOEXCEPT // true if error
{
return val_ != 0;
return failed_;
}
#else
@ -525,12 +525,12 @@ public:
BOOST_SYSTEM_CONSTEXPR operator unspecified_bool_type() const BOOST_NOEXCEPT // true if error
{
return val_ != 0? unspecified_bool_true: 0;
return failed_? unspecified_bool_true: 0;
}
BOOST_SYSTEM_CONSTEXPR bool operator!() const BOOST_NOEXCEPT // true if no error
{
return val_ == 0;
return !failed_;
}
#endif
@ -656,7 +656,7 @@ public:
BOOST_SYSTEM_CONSTEXPR explicit operator bool() const BOOST_NOEXCEPT // true if error
{
return val_ != 0;
return failed_;
}
#else
@ -666,12 +666,12 @@ public:
BOOST_SYSTEM_CONSTEXPR operator unspecified_bool_type() const BOOST_NOEXCEPT // true if error
{
return val_ != 0? unspecified_bool_true: 0;
return failed_? unspecified_bool_true: 0;
}
BOOST_SYSTEM_CONSTEXPR bool operator!() const BOOST_NOEXCEPT // true if no error
{
return val_ == 0;
return !failed_;
}
#endif

6
test/failed_test.cpp
View File

@ -123,13 +123,13 @@ template<class Ec> void test()
{
Ec ec( 0, http_category() );
BOOST_TEST( ec.failed() );
TEST_FAILED( ec );
ec.assign( 200, http_category() );
BOOST_TEST( !ec.failed() );
TEST_NOT_FAILED( ec );
ec = Ec( 404, http_category() );
BOOST_TEST( ec.failed() );
TEST_FAILED( ec );
}
}