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C++ programs that are dynamic in nature have to create objects at some time during run-time. New objects can be created by explicitly calling ‘new’ and then the data type of that object. However, this requires that a programmer knows at ‘compile-time’ what object should be created. What we would like, is to have a layer of abstraction, or someway to create objects at run-time to reflect the dynamic nature of some C++ programs. Luckily, there is a common pattern that can help solve this problem--the factory design pattern.
In this talk, we are going to discuss a creational design pattern known as a factory. The pattern can be as simple as a function, or take on other forms as a distributed factory, or an abstract factory. We’ll show some basic examples of a factory in modern C++ as well as real world use cases of where factories occur for further study. Finally, we’ll discuss the tradeoffs of the factory pattern, and discuss which scenarios you may not actually want to use a factory. Attendees will leave this talk with the knowledge to go forward and implement the factory pattern, as well as how to spot the factory pattern in projects they may already be working on!
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Mike Shah
Michael D. Shah completed his Ph.D. at Tufts University in the Redline Research Group in 2017. His Ph.D. thesis advisor was Samuel Z. Guyer. Michael finished his Masters degree in Computer Science in 2013 at Tufts University and Bachelors in Computers Science Engineering at The Ohio State University in 2011. Currently Michael is a lecturer at Northeastern University.
Michael discovered computer science at the age of 13 when googling ”how do I make games”. From that google search, Mike has worked as a freelance game developer, worked in industry for Intel, Sony Playstation, Oblong Industries, and researched at The Ohio Supercomputer Center to name a few. Mike cares about building tools to help programmers monitor and improve the performance of realtime applications– especially games.
In Michael’s spare time he is a long distance runner, weight lifter, and amateur pizza maker.
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The Factory Pattern - Mike Shah - CppCon 2021
Теги
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