Improve callback documentation

elixir-plug / plug

Compose web applications with functions

https://hex.pm/packages/plug

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Closed sabiwara closed 3 years ago

sabiwara commented 3 years ago

Hi! This is a small PR to improve the documentation for callbacks:

Fixed references to callbacks
Named callback arguments for clearer signatures (e.g. get(conn, cookie, opts) instead of get(arg1, cookie, arg3))

Screenshot from 2021-02-16 15-07-19

Screenshot from 2021-02-16 15-06-54

josevalim commented 3 years ago

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