Hidden C++ Features       That Will Impress       Interviewers

10

Showcase your understanding of rvalue references & forwarding, a powerful technique for passing arguments to functions without losing their value category.

Perfect Forwarding

1

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2

CRTP (Curiously Recurring Template Pattern)

Demonstrate your knowledge of this template-based design pattern that's used to achieve static polymorphism.

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3

SFINAE (Substitution Failure Is Not An Error)

Impress interviewers with your ability to use SFINAE to enable or disable function templates based on type traits.

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4

User-Defined Literals

Show your expertise by defining custom literals to work with your own data types, making your code more expressive.

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5

Variadic Templates

Highlight your skills in working with templates that can take a variable number of arguments, enabling flexible and generic code.

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6

Tag Dispatching

Prove your expertise in using tag dispatching to select function overloads based on tag types, enhancing code clarity and maintainability.

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7

C++17 Fold Expressions

Showcase your knowledge of fold expressions to perform operations on parameter packs, a feature introduced in C++17.

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8

Type Erasure

Showcase your ability to create flexible and polymorphic interfaces without exposing implementation details.

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9

Placement New & Custom Memory Allocators

Impress interviewers with your understanding of memory management and control using placement new and custom allocators.

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10

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C++20 Concepts

Highlight your expertise in the latest C++ standard by demonstrating the use of concepts to define and enforce constraints on template parameters.

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