Summary
This episode introduces parameter pack indexing, a new feature coming in C++26 that simplifies working with template parameter packs. Jason demonstrates how previously, accessing specific elements within parameter packs required cumbersome workarounds such as function overloading or recursive template instantiation. With C++26, developers can directly index into parameter packs using a simple syntax, dramatically reducing code complexity for template metaprogramming tasks.
Related C++ Standard Sections
This episode covers topics found in these sections of the C++ standard:
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[temp.variadic]72% match -
[temp.arg]58% match -
[temp.fct]57% match -
[temp.fct.spec]55% match -
[temp.deduct.general]54% match -
[basic.lookup.argdep]50% match -
[temp.arg.general]50% match -
[temp.over]50% match -
[meta]40% match