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Use static_assert()

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This commit is contained in:
David Capello 2014-08-15 00:24:59 -03:00
parent dfc1ecd2da
commit 9d675b6864
4 changed files with 7 additions and 15 deletions
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6
src/base/convert_to.h
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@ -18,11 +18,7 @@ namespace base {
// Undefined convertion // Undefined convertion
template<typename To, typename From> template<typename To, typename From>
To convert_to(const From& from) { To convert_to(const From& from) {
// As this function doesn't return a value, if a specialization is static_assert(false && sizeof(To), "Invalid conversion");
// not found, a compiler error will be thrown (which means that
// the conversion isn't supported).
// TODO Use a static_assert(false)
} }
template<> int convert_to(const std::string& from); template<> int convert_to(const std::string& from);

8
src/raster/algofill.cpp
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@ -93,23 +93,23 @@ static inline bool color_equal_8(color_t c1, color_t c2, int tolerance)
template<typename ImageTraits> template<typename ImageTraits>
static inline bool color_equal(color_t c1, color_t c2, int tolerance) static inline bool color_equal(color_t c1, color_t c2, int tolerance)
{ {
// TODO static_assert(false) static_assert(false && sizeof(ImageTraits), "Invalid color comparison");
} }
template<> template<>
static inline bool color_equal<RgbTraits>(color_t c1, color_t c2, int tolerance) inline bool color_equal<RgbTraits>(color_t c1, color_t c2, int tolerance)
{ {
return color_equal_32(c1, c2, tolerance); return color_equal_32(c1, c2, tolerance);
} }
template<> template<>
static inline bool color_equal<GrayscaleTraits>(color_t c1, color_t c2, int tolerance) inline bool color_equal<GrayscaleTraits>(color_t c1, color_t c2, int tolerance)
{ {
return color_equal_16(c1, c2, tolerance); return color_equal_16(c1, c2, tolerance);
} }
template<> template<>
static inline bool color_equal<IndexedTraits>(color_t c1, color_t c2, int tolerance) inline bool color_equal<IndexedTraits>(color_t c1, color_t c2, int tolerance)
{ {
return color_equal_8(c1, c2, tolerance); return color_equal_8(c1, c2, tolerance);
} }

4
src/raster/conversion_alleg.cpp
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@ -38,9 +38,7 @@ namespace {
template<typename ImageTraits, int color_depth> template<typename ImageTraits, int color_depth>
int convert_color_to_allegro(color_t color, const Palette* palette) { int convert_color_to_allegro(color_t color, const Palette* palette) {
// Error, it must use a specialization static_assert(false && sizeof(ImageTraits), "Invalid color conversion");
// TODO Use a static_assert(false)
} }
template<> template<>

4
src/raster/conversion_she.cpp
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@ -41,9 +41,7 @@ namespace {
template<typename ImageTraits, she::SurfaceFormat format> template<typename ImageTraits, she::SurfaceFormat format>
uint32_t convert_color_to_surface(color_t color, const Palette* palette, const she::SurfaceFormatData* fd) { uint32_t convert_color_to_surface(color_t color, const Palette* palette, const she::SurfaceFormatData* fd) {
// Error, it must use a specialization static_assert(false && sizeof(ImageTraits), "Invalid color conversion");
// TODO Use a static_assert(false)
} }
template<> template<>