199. Lambdas and Callback Management

Question.9

A developer registers callbacks inline during initialization:

button1.onPress([]() { led1.toggle(); });
button2.onPress([]() { motor.stop(); });
timer.onExpire([]()  { adc.sample(); });

What is the advantage over writing separate handler functions?

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Lambdas are faster than named functions
The behavior is defined right where the event is registered -- no need to search for handle_button1() defined 500 lines away; the code is self-documenting and local
Lambdas use less Flash than named functions
Named functions cannot be used as callbacks

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