IEx.Introspection
Function b/1
Prints the list of behaviour callbacks or a given callback.
Function decompose/2
Decomposes an introspection call into {mod, fun, arity},
{mod, fun} or mod.
Function h/1
Prints documentation.
Function open/1
Opens the given module, mfa, file/line, binary.
Function t/1
Prints the types for the given module and type documentation.