Allies fear Iran war will leave them without US weapons they bought
FT Digital Edition: our digitised print edition
。新收录的资料是该领域的重要参考
Lisp_Object is a 64-bit machine word. For pointers, because heap allocations are 8-byte aligned, their lowest 3 bits are guaranteed to be 000. Emacs simply embeds the 3-bit type tag directly into these "free" zero bits. For immediate integers (fixnums), the upper 62 bits hold the actual value.
February 26, 2026