{
  "@context":[
    "https://www.w3.org/ns/activitystreams",
    {"Hashtag":"as:Hashtag"}
  ],
  "published":"2023-03-10T14:54:31.948Z",
  "attributedTo":"https://epiktistes.com/actors/toddsundsted",
  "to":["https://www.w3.org/ns/activitystreams#Public"],
  "cc":["https://epiktistes.com/actors/toddsundsted/followers"],
  "content":"<p>...well, for future reference, <code>Invalid memory access (signal 11) at address 0x7ff7b19429f8</code> likely means the application has overrun its stack, especially if the stack trace shows even moderate <em>recursion</em>. </p><p>about the recursion though, this error happened after only <em>5</em> recursive calls (not 50,000) and that caught me off guard. i've been recently conditioned to think the stack only holds primitive values and references (pointers) but crystal, like c and similar languages, lets you pass around structures (instances of <code>struct</code>) <em>by value</em> and those values can be arbitrarily large.</p><p>now i need to figure out how to debug the contents of the stack...</p><p><a href=\"https://epiktistes.com/tags/crystallang\" class=\"hashtag\" rel=\"tag\">#crystallang</a></p>",
  "mediaType":"text/html",
  "attachment":[],
  "tag":[
      {"type":"Hashtag","name":"#crystallang","href":"https://epiktistes.com/tags/crystallang"}
  ],
  "type":"Note",
  "id":"https://epiktistes.com/objects/txjP7CYZqJM"
}