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| author | Andrey Lihatskiy <alihatskiy@productengine.com> | 2023-12-15 07:06:15 +0200 |
|---|---|---|
| committer | Andrey Lihatskiy <alihatskiy@productengine.com> | 2023-12-15 07:06:15 +0200 |
| commit | 793bed7d06c1debb6d14b54b4f017a90c7d31feb (patch) | |
| tree | 13cff1cc02676108a047d4903c1c494eec54c1a3 /indra/llcommon/function_types.h | |
| parent | 88921452adf528bf7aecc2d2fe893ecb5574bde0 (diff) | |
| parent | a592292242e29d0379ee72572a434359e1e892d1 (diff) | |
Merge branch 'main' into DRTVWR-489
# Conflicts:
# indra/newview/fonts/DejaVu-license.txt
# indra/newview/fonts/DejaVuSans-Bold.ttf
# indra/newview/fonts/DejaVuSans-BoldOblique.ttf
# indra/newview/fonts/DejaVuSans-Oblique.ttf
# indra/newview/fonts/DejaVuSans.ttf
# indra/newview/fonts/DejaVuSansMono.ttf
Diffstat (limited to 'indra/llcommon/function_types.h')
| -rw-r--r-- | indra/llcommon/function_types.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/indra/llcommon/function_types.h b/indra/llcommon/function_types.h new file mode 100644 index 0000000000..3f42f6d640 --- /dev/null +++ b/indra/llcommon/function_types.h @@ -0,0 +1,49 @@ +/** + * @file function_types.h + * @author Nat Goodspeed + * @date 2023-01-20 + * @brief Extend boost::function_types to examine boost::function and + * std::function + * + * $LicenseInfo:firstyear=2023&license=viewerlgpl$ + * Copyright (c) 2023, Linden Research, Inc. + * $/LicenseInfo$ + */ + +#if ! defined(LL_FUNCTION_TYPES_H) +#define LL_FUNCTION_TYPES_H + +#include <boost/function.hpp> +#include <boost/function_types/function_arity.hpp> +#include <functional> + +namespace LL +{ + + template <typename F> + struct function_arity_impl + { + static constexpr auto value = boost::function_types::function_arity<F>::value; + }; + + template <typename F> + struct function_arity_impl<std::function<F>> + { + static constexpr auto value = function_arity_impl<F>::value; + }; + + template <typename F> + struct function_arity_impl<boost::function<F>> + { + static constexpr auto value = function_arity_impl<F>::value; + }; + + template <typename F> + struct function_arity + { + static constexpr auto value = function_arity_impl<typename std::decay<F>::type>::value; + }; + +} // namespace LL + +#endif /* ! defined(LL_FUNCTION_TYPES_H) */ |