Roland Reichwein a21b96396e Guards around usage of std::initializer_list in optional.h (#1186) ... * Guards around usage of std::initializer_list in optional.h In optional.h, ETL_HAS_INITIALIZER_LIST is being used to guard against cases where std::initializer_list is not available. But not consistently. This changes fixes it by adding it in the remaining places. * Fixed #undef in optional.h Instead of undefining ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14, ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL was undefined twice (one of the misspelled). * Fix comment typos		2025-09-18 08:50:28 +01:00
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etl	Guards around usage of std::initializer_list in optional.h (#1186)	2025-09-18 08:50:28 +01:00