Mutexes are for thread safety, channels are for communicating between threads and waitgroups is an alternative to Promise.allSettled (in JS anyway, not enough e

Mutexes are for thread safety, channels are for communicating between threads and waitgroups is an alternative to Promise.allSettled (in JS anyway, not enough experience with C# or other await impls), except you don't need to load up the promises first and then fire them. Wat.