Task.start_link

You're seeing just the function start_link, go back to Task module for more information.

start_link(fun)

start_link((() -> any())) :: {:ok, pid()}

Starts a task as part of a supervision tree with the given fun.

fun must be a zero-arity anonymous function.

This is used to start a statically supervised task under a supervision tree.

start_link(module(), atom(), [term()]) :: {:ok, pid()}

Starts a task as part of a supervision tree with the given module, function, and args.

This is used to start a statically supervised task under a supervision tree.