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Need to reduce code duplication by concretizing values and restricting parameters in functions
Need to reduce code duplication by abstracting values further, such as in function parameters
Need a supertrait
Are not sure if you need a specific kind of trait
Answer:
Need to reduce code duplication by abstracting values further, such as in function parameters
Watch a set of file descriptors to see which are ready
Frequently check email and other network services
Sample system process information for use by the top command
Answer:
Watch a set of file descriptors to see which are ready