Update get method, add exists? method

yegor256 / zache

Zero-footprint Ruby In-Memory Thread-Safe Cache: when a naive implementation is enough

https://www.yegor256.com/2019/02/05/zache.html

MIT License

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Update get method, add exists? method #7

Closed shindakioku closed 5 years ago

shindakioku commented 5 years ago

yegor256 commented 5 years ago

@shindakioku you put two changes in the same PR, which is not a good practice and it already conflicts with #8. Please, leave just the lambda modifications here.