> They'd save a lot of guessing by putting in which Special Modern Features their code relies on. The first paragraph of the readme starts with "Folly (acronym

> They'd save a lot of guessing by putting in which Special Modern Features their code relies on. The first paragraph of the readme starts with "Folly (acronymed loosely after Facebook Open Source Library) is a library of C++14 components" and gcc 5.1 is the first version (https://gcc.gnu.org/projects/cxx-status.html#cxx14 https://gcc.gnu.org/projects/cxx-status.html#cxx14) which supports all of c++14