Migrating VAST to C++20 - A Field Report--Benno Evers

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Migrating VAST to C++20 - A Field Report

by Benno Evers

From the article:

Recently, the VAST developers had a reason to celebrate. No, not the latest release—finally all our supported platforms have a working C++20 compiler available. Given that VAST is still comparatively moderate in size at around 70,000 lines of code and already uses C++17 extensively, we did not expect too much hassle. So we seized the chance, rolled up our sleeves and started converting.

The process was indeed mostly painless, but some errors still had us stumped for a while. Below we describe our experiences, in the hopes that they might be useful to others who attempt the same.

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