Prefer static operator() if available
#267
Merged
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Motivation
Static
operator()is a C++23 feature that can improve code generation. Although won't help much in optimized builds, it's the recommended way to define anoperator()function nowadays. Resolves #258.Changes
static operator()if available.proxyin C++23 mode with the latest compilers.bvt-compatibility.ymlto buildproxyin C++20 mode.-Wno-c++2b-extensionsis required for Clang in C++20 mode to avoid warnings when building tests.