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   ✧✦Catherine✦✧ (whitequark@mastodon.social)'s status on Sunday, 20-Apr-2025 14:23:46 JST ✧✦Catherine✦✧

   just discovered this new-to-me syntax in C: pointer to an array of a fixed size

   i had to double-check that it's legal

   • Embed this notice
     Andrew Zonenberg (azonenberg@ioc.exchange)'s status on Sunday, 20-Apr-2025 15:29:04 JST Andrew Zonenberg

     in reply to

     @whitequark wait what

     Does this like do compile time static array bounds checks when using constant indexes? Is it just a hint to the optimizer? What does it do differently from a raw pointer?

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     ✧✦Catherine✦✧ (whitequark@mastodon.social)'s status on Sunday, 20-Apr-2025 15:29:04 JST ✧✦Catherine✦✧

     in reply to

     • Andrew Zonenberg

     @azonenberg unfortunately,

     char (*y)[static 0x64];

     doesn't work

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     ✧✦Catherine✦✧ (whitequark@mastodon.social)'s status on Sunday, 20-Apr-2025 15:29:29 JST ✧✦Catherine✦✧

     in reply to

     • Cinnamon

     @cinnamon sorta, but it's semantically different

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     Cinnamon (cinnamon@mk.absturztau.be)'s status on Sunday, 20-Apr-2025 15:29:31 JST Cinnamon

     in reply to

     @whitequark@mastodon.social This is like a char **y, right?