Incremental recompilation isn't fast enough to wait for between keystrokes, so in-process servers would run in their own thread. Along with accounting for arbit

Incremental recompilation isn't fast enough to wait for between keystrokes, so in-process servers would run in their own thread. Along with accounting for arbitrarily incompatible language runtimes and memory management schemes, wouldn't we be looking at badly re-implementing half of a process-and-ipc infrastructure here, just without memory protection? Agreed on JSON, though.