ACCU’s Overload journal of October 2018 is out. It contains the following C++ related articles.

Overload 147 is now available

From the journal:

Are we nearly there yet?
Deciding if you are making progress can be a challenge. Frances Buontempo considers various metrics and their effects. by Frances Buontempo

How to Write a Programming Language: Part 3, The Evaluator
We’ve parsed our tokens: now we need turn them into values. Andy Balaam continues writing a programming language with the evaluator. by Andy Balaam

P1063 vs Coroutines TS: Consensus on High-Level Semantics
Dmytro Ivanchykhin, Sergey Ignatchenko and Maxim Blashchuk argue that we need coroutines TS now to improve-based-on-experience later. by Dmytro Ivanchykhin, Sergey Ignatchenko and Maxim Blashchuk

Implementing the Spaceship Operator for Optional
Comparison operators can get complicated. Barry Revzin explores how the new operator <=> helps. by Barry Revzin

Compile-time Data Structures in C++17: Part 2, Map of Types
Compile time type selection allows static polymorphsim. Bronek Kozicki details an implementation of a compile time map. by Bronek Kozicki