Function mi_arena_id_index

3rd/mimalloc-2.0.9/src/arena.c:84–86

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static size_t mi_arena_id_index(mi_arena_id_t id) {
  return (size_t)(id <= 0 ? MI_MAX_ARENAS : id - 1);
}

static mi_arena_id_t mi_arena_id_create(size_t arena_index) {
  mi_assert_internal(arena_index < MI_MAX_ARENAS);