Jon Ross-Perkins 0b9bda10b7 Refactor common main logic (#2260) ...

1) toolchain and explorer use the same working dir logic, share it
2) explorer's carbon.cpp and main_bin.cpp use the same relative path logic, share it
3) You can append a longer path in one call with the right kind of iterator
4) Fix what's maybe a bug in passing `relative_prelude_path.str()` to `cl::init`
5) Collapse Main and ExplorerMain to avoid passing more parameters between

2022-10-05 17:34:04 -07:00

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Refactor common main logic (#2260)

2022-10-05 17:34:04 -07:00