Select

• select helps you wait on multiple channels
• use time.After to prevent system from blocking forever
• httptest helps create reliable http tests
• same interfaces as the "real" net/http servers
• defer allows you to call function after the end of the containing function
• keep the instruction near where resource is created for clarity
• struct{} is the smallest data type available from a memory perspective
• Always make channels
• using var declaration gives it a 0 value of nil, which won't allow you to pass data to it