Summary
This episode combines concepts from prior episodes about lambda comparators and transparent comparators, demonstrating how to create efficient transparent lambda comparators for C++ associative containers. Jason addresses viewer feedback by implementing a helper function that simplifies using lambdas as comparators, then takes it further by creating a variadic template function that can compose multiple lambda comparators while maintaining transparent lookup capabilities. The solution leverages C++17 features like variadic using declarations and aggregate initialization of base classes.
Related C++ Standard Sections
This episode covers topics found in these sections of the C++ standard:
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[comparisons.greater]51% match -
[comparisons.less]50% match -
[comparisons]50% match -
[comparisons.three.way]50% match -
[comparisons.less.equal]50% match -
[arithmetic.operations.divides]50% match -
[comparisons.equal.to]50% match -
[comparisons.greater.equal]50% match -
[arithmetic.operations.plus]49% match -
[arithmetic.operations.multiplies]49% match - + 3 more related sections