foldl' forces the accumulator at each step, but only to weak head normal form. For an attrset, WHNF means "yes, this is an attrset." The values inside (i, total) stay as thunks. After 100,000 steps, each field is a chain of 100,000 deferred additions, the same pathology as the naive trampoline's non-key fields. On this machine, the C++ stack gives out around 65,000 deep. The trampoline with deepSeq handles the same workload without issue because it forces the entire state, not just its outer shape:
Nature, Published online: 03 March 2026; doi:10.1038/d41586-026-00678-7。新收录的资料对此有专业解读
。新收录的资料对此有专业解读
I say almost because SNA was still very much a mainframe-oriented design. An，这一点在新收录的资料中也有详细论述
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Four US bombers have landed at an RAF base in Britain to carry out “specific defensive operations” to stop Iran firing missiles into the Middle East, the Ministry of Defence has said.