{
  "schema": "ailang/v0",
  "name": "str_clone_drop_rc",
  "imports": [],
  "defs": [
    {
      "kind": "fn",
      "name": "main",
      "type": {
        "k": "fn",
        "params": [],
        "ret": { "k": "con", "name": "Unit" },
        "effects": ["IO"]
      },
      "params": [],
      "doc": "Iter 24.1: pin that `str_clone` participates in RC discipline AND emits correct bytes. Input is a static-Str literal; the clone produces a fresh heap-Str slab whose payload is byte-equal to the input. RC stats under --alloc=rc with AILANG_RC_STATS=1: allocs == 1 (the clone), frees == 1 (let-binder drop at scope close), live == 0.",
      "body": {
        "t": "let",
        "name": "s",
        "value": {
          "t": "app",
          "fn": { "t": "var", "name": "str_clone" },
          "args": [{ "t": "lit", "lit": { "kind": "str", "value": "hello" } }]
        },
        "body": {
          "t": "do",
          "op": "io/print_str",
          "args": [{ "t": "var", "name": "s" }]
        }
      }
    }
  ]
}