Pearson eText for Concepts of Programming Languages -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135102268
Author: Robert Sebesta
Publisher: PEARSON+
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Textbook Question
Chapter 5, Problem 19RQ
What is the difference between the names defined in an ML let construct from the variables declared in a C block?
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Chapter 5 Solutions
Pearson eText for Concepts of Programming Languages -- Instant Access (Pearson+)
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Which category of C++ reference variables always...Ch. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - What are the advantages and disadvantages of...Ch. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - How is a reference to a nonlocal variable in a...Ch. 5 - What is the general problem with static scoping?Ch. 5 - What is the referencing environment of a...Ch. 5 - Prob. 16RQCh. 5 - What is a block?Ch. 5 - What is the purpose of the let constructs in...Ch. 5 - What is the difference between the names defined...Ch. 5 - Prob. 20RQCh. 5 - Prob. 21RQCh. 5 - What are the advantages of named constants?Ch. 5 - Which of the following identifier forms is most...Ch. 5 - Prob. 2PSCh. 5 - Write a simple assignment statement with one...Ch. 5 - Prob. 4PSCh. 5 - Describe a situation when a history-sensitive...Ch. 5 - Consider the following C program void fun (void) {...Ch. 5 - Consider the following skeletal C program: void...Ch. 5 - Which of the following identifier forms is most...Ch. 5 - Prob. 2PECh. 5 - Write a simple assignment statement with one...
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- Which is better, fully qualified references to subprograms, variables, and objects in code or unqualified references? Explanation of difficulties with C's primitive encapsulation and how they affect C++. 18.arrow_forwardWhat are the two steps in locating a nonlocal variable in a staticscoped language with stack-dynamic local variables and nestedsubprograms?arrow_forwardIn the implementation of a language with a reference model of variables, why is the difference between changeable and immutable values important?arrow_forward
- What's the difference between polymorphic and generic functions in ML and ADA?arrow_forwardWhich is preferable: fully qualified or unqualified references to subprograms, variables, and objects in code? Explain the problems with C's basic encapsulation and how they effect C++.arrow_forwardUnder what circumstances does an ML compiler announce a type clash?arrow_forward
- Why is Python able to concisely implement functional constructs?arrow_forwardWhich is preferred when referencing subprograms, variables, and objects in code—fully qualified or unqualified references? An explanation of the problems with basic encapsulation in C and how they affect C++.arrow_forwardExplain control structure used in C with an example program and state the importance of 'for()' construct rather than using other construct like while(..) and do..while(..)arrow_forward
- What is the difference between void and NULL pointers .Give suitable examples in support of your answer in C language.arrow_forwardUsing C++, examine its mechanism for declaring variables. Suggest one improvement of that mechanism Discuss the grammar clearly indicating the modified production rules corresponding with the suggested improvements.arrow_forwardWhich is better, fully qualified or unqualified references, when referring to subprograms, variables, and objects in code? Issues with C's fundamental encapsulation and how they influence C++ are discussed.arrow_forward
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