console - pannous/warp GitHub Wiki

The preferred term for the neologism REPL should be shell or console

Tab after a value and a dot lists its members, as the playground editor does when you type the dot:

xs = [1 2]
xs.<Tab>      # count sum map filter first last sort … unique zip

A list, text, map or number lists its type's methods, an instance its fields and methods, a map its keys first, use time then time. the module's words.