[#FOLLY_COMPRESSION_HAS_CONTEXT_POOL_SINGLETONS] = FOLLY_COMPRESSION_HAS_CONTEXT_POOL_SINGLETONS :mrdocs: Added here so users of folly can figure out whether the header folly/compression/CompressionContextPoolSingletons.h is present, and therefore whether it can be included. == Synopsis Declared in `<folly/compression/Compression.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- #define FOLLY_COMPRESSION_HAS_CONTEXT_POOL_SINGLETONS ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#