score:2
Accepted answer
there actually is no implicit conversion going on here at all - jsonget
is an instance of testget
, which provides an unapply
method that returns an option[(list[string], req)]
. scala allows calling unapply as an infix method, so that construct is sugar for:
case jsonget("cout" :: nil, _) => // the second argument is the req instance
Source: stackoverflow.com
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