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store the value to be set inside wxON_BLOCK_EXIT_SET(), this allows to use temporaries with it and also fixes the test failure when built with icc and optimizations on (not sure if it is a compiler bug or not but in any case it seems better to fix it)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56848 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-11-19 12:06:17 +00:00
parent a779d8091c
commit e196e5232a
2 changed files with 6 additions and 3 deletions
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6
include/wx/scopeguard.h
View File

@@ -411,7 +411,7 @@ template <typename T, typename U>
class VariableSetterImpl : public VariableSetterBase
{
public:
VariableSetterImpl(T& var, const U& value)
VariableSetterImpl(T& var, U value)
: m_var(var),
m_value(value)
{
@@ -424,7 +424,7 @@ public:
private:
T& m_var;
const U& m_value;
const U m_value;
// suppress the warning about assignment operator not being generated
VariableSetterImpl<T, U>& operator=(const VariableSetterImpl<T, U>&);
@@ -454,7 +454,7 @@ private:
template <typename T, typename U>
inline
wxPrivate::VariableSetterImpl<T, U> wxMakeVarSetter(T& var, const U& value)
wxPrivate::VariableSetterImpl<T, U> wxMakeVarSetter(T& var, U value)
{
return wxPrivate::VariableSetterImpl<T, U>(var, value);
}

3
interface/wx/scopeguard.h
View File

@@ -131,6 +131,9 @@ wxScopeGuard wxMakeGuard(F func, P1 p1, ..., PN pN);
}
@endcode
Notice that @a value is copied, i.e. stored by value, so it can be a
temporary object returned by a function call, for example.
@see wxON_BLOCK_EXIT_OBJ0(), wxON_BLOCK_EXIT_NULL()
@header{wx/scopeguard.h}