Changing type of data_ to size_t to avoid compilation errors #4200
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when FMT_PEDANTIC && FMT_WERROR options are enabled """ error: useless cast to type 'class fmt::v10::basic_format_args<fmt::v10::basic_format_context<fmt::v10::appender, char> >' [-Werror=useless-cast] 1449 | basic_format_args<buffer_context<char>>(args)); """
cross compiling for win32 application using MXE environment because long unsigned int != size_t (aka long long unsigned int)
1. If lib is cross-compiled for win32 using MXE environment it cause compilation error -Wconversion on line 730 as sizeof(unsigned long) = 4 and sizeof(size_t) = 8 2. When lib is compiled on Unix like compiler generate error -Wuseless-cast if static_cast is used to fix issue in 1 Futher if size_t is not concrete type then, type data_ can be changed to uint64_t or uint32_t because those have same sizes across all platforms
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compilation error -Wconversion on line 730 as sizeof(unsigned long)
= 4 and sizeof(size_t) = 8
-Wuseless-cast if static_cast is used to fix issue in 1