Passing anonymous function as plug option

[budgie]

@al2o3cr

The “standard idiom” for this situation is to use a tuple to specify a function by name (you’ll see the term “MFA tuple” a lot). Something like:

Why can’t it store anonymous functions? Also, is ther a reason to prefer an MFA tuple over referencing the named function directly as in &SomeModule.some_fun/1?