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A Supplier is when a function needs a value, and instead of providing a value as an argument, you pass in callable:

Foo(int x){return x+1} becomes Foo(Supplier x){return x() + 1}




Function that supplies value, can also encapsulate alot of data generation code. After that you can write a strategy to select which data generation algorithm (supplier) shpuld be used.

Thats my cause.


Thanks.




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