Module chunked_vec 

A push-only vector that grows in fixed-size chunks instead of one contiguous reallocating buffer.

The trade-off vs. Vec:

• One pointer indirection per indexed access (chunk lookup → element).
• Slightly larger per-element overhead from chunk pointers (negligible at 64K elements/chunk).
• References returned by index/index_mut are stable across push (a future-useful property; not currently relied on).

API is intentionally minimal — only the operations the trace server needs (push, len, indexed access, get, truncate).

Structs

ChunkedVec

Constants

CHUNK_SIZE 🔒

Number of elements per chunk. Power of two so idx / CHUNK_SIZE and idx % CHUNK_SIZE compile to a shift and a mask.

Functions

new_chunk 🔒

Allocate a fresh chunk on the heap without ever materializing a CHUNK_SIZE-element array on the stack.

split_index 🔒

Returns the chunk index and intra-chunk offset for an element index.

Type Aliases

Chunk 🔒