cppvalleyC++ · Systems · Low Latency · HFT
HFT Core Systems

HFT CORE SYSTEMS

Fixed-capacity text and identifiers

Lesson 49 of 96Phase 05: Low-latency C++
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Learning objectives

What you should understand

  1. Represent bounded strings without hidden allocation
  2. Handle truncation and validation explicitly
  3. Preserve comparison and hashing semantics

Lab

Hands-on exercise

Build a fixed-capacity symbol type with property tests.

Deliverable

Evidence of completion

A small identifier library with documented overflow behavior.

Prerequisite
EP 48

Phase 05

Low-latency C++

Full curriculum
45Object lifetime, storage, alignment, and aliasing46Value categories, moves, forwarding, and copy elision47Layout by access pattern, not packing48Allocation strategy: arenas, PMR, pools, and failure policy49Fixed-capacity text and identifiers50Static polymorphism, concepts, and devirtualization51Inlining, branch hints, LTO, PGO, and code layout52Exceptions, RTTI, noexcept, and error channels53Containers under latency constraints54Fixed-point money and quantity types55Safe, allocation-free binary parsing56Phase gate: allocation-free protocol core