Complete Modern C++ - Expression Evaluation Order

Complete Modern C++ - Expression Evaluation Order

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial discusses the unpredictability of function parameter evaluation in C++ prior to C-17, where subexpressions could be interleaved, leading to potential issues such as memory leaks. It explains how C-17 addresses these issues by prohibiting interleaving between subexpressions, ensuring a more predictable evaluation order. The tutorial includes a code example to demonstrate the differences in evaluation order between C-14 and C-17, highlighting the improvements made in C-17. The video concludes with a summary of the key points discussed.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the order in which functions are invoked in C?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How did the evaluation of expressions change from C-14 to C-17?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What problems can arise from interleaving evaluations of subexpressions?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Can you explain the concept of unique pointers in the context of function calls?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is meant by 'unspecified order' in function invocation?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe an example where the order of evaluation could lead to memory leaks.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What changes were made in C-17 to prevent interleaving of evaluations?

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