David Stone e1fca0b1ae Do not use #pragma once ... Fixes #3974 by using the standard-compliant `#ifndef #define #endif` pattern instead of `#pragma once`.		2023-04-03 14:53:00 -06:00
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hedley_undef.hpp	Do not use #pragma once	2023-04-03 14:53:00 -06:00
hedley.hpp	Do not use #pragma once	2023-04-03 14:53:00 -06:00