Summary

Chapter summary

• The call stack enables efficient allocation of local state and simplifies certain algorithms, especially the recursive ones.

• Fibers enable multiple call stacks per thread instead of the default single call stack per thread.

• A fiber pauses itself by yielding to its caller, and the caller resumes its fiber by calling it again.

• Generator presents a fiber as an InputRange.

• Fibers simplify algorithms that rely heavily on the call stack.

• Fibers simplify asynchronous input/output operations.

• Fibers provide cooperative multitasking, which has different trade-offs from preemptive multitasking.

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