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value_or_error()

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This commit is contained in:
Kelvin Sherlock 2016-08-05 21:55:53 -04:00
parent a0768ec3c7
commit 71bbee0479
2 changed files with 10 additions and 10 deletions
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7
macos/tool_return.h
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@ -3,6 +3,8 @@
#include "errors.h"
#include <utility>
#include <type_traits>
namespace MacOS {
@ -215,6 +217,11 @@ namespace MacOS {
return f(std::move(_value));
}
template<class TT=T>
T value_or_error(typename std::enable_if<std::is_integral<TT>::value>::type * = 0) const {
return _error ? _error : _value;
}
};
template<>

13
toolbox/mm.cpp
View File

@ -936,10 +936,7 @@ namespace MM
Log("%04x DisposePtr(%08x)\n", trap, mcptr);
auto rv = Native::DisposePtr(mcptr);
return rv.error(); //SetMemError(error);
return Native::DisposePtr(mcptr).error();
}
uint32_t GetPtrSize(uint16_t trap)
@ -1093,7 +1090,6 @@ namespace MM
Log("%04x ReallocHandle(%08x, %08x)\n", trap, hh, logicalSize);
return Native::ReallocHandle(hh, logicalSize).error();
}
@ -1122,8 +1118,7 @@ namespace MM
Log("%04x GetHandleSize(%08x)\n", trap, hh);
auto rv = Native::GetHandleSize(hh);
return rv ? rv.value() : rv.error();
return Native::GetHandleSize(hh).value_or_error();
}
uint16_t SetHandleSize(uint16_t trap)
@ -1212,9 +1207,7 @@ namespace MM
Log("%04x HGetState(%08x)\n", trap, hh);
auto rv = Native::HGetState(hh);
return rv ? rv.value() : rv.error();
//return Native::HGetState(hh).then([](const tool_return<uint16_t> &rv){ return rv ? *rv : rv.error(); });
return Native::HGetState(hh).value_or_error();
}
uint16_t HSetState(uint16_t trap)