FT Digital Edition: our digitised print edition
If you have been using Rust for a while, you know that one feature that stands out is the trait system. But have you ever wondered how traits really work, and what are their strengths and limitations?
，详情可参考新收录的资料
but you probably can’t hit the backends from the public internet.
If we hunt around, we can find the "LEGO MINDSTORMS NXT Executable File Specification" which explains that NXT programs run in a bytecode VM and doesn't have the ability to read/write arbitrary memory. Variables are restricted to a "data segment" of fixed size, and all memory accesses must be inside it. This means that we cannot "just" write an NXT program (unless we find a bug in the VM which allows us to access memory we're not supposed to).
(define (infinite-integers n)