If I create an interface with a method which poten...

# coroutines

[voddan]

If I create an interface with a method which potentially could be suspendible in some of the implementations in the future, do I get any penalty from marking this method suspend just in case?

[elizarov]

All invocations will have to be from suspending context. There is a penalty in the form of state machine. You should measure for your particular case.