PLP 5e Errata

This page contains a list of all known errors in the text. To report additional bugs, send mail to Michael Scott's email address or Jonathan Aldrich's email address .

Main book

Page 46, line 2: delete “sizeof,” (it’s a keyword).
Page 174, Exploration 3.41, last full line: replace “are their any” with “are there any”.
Page 184, Figure 4.4, last four lines: replace “ “+” ”, “ “−” ”, “ “×” ”, and “ “/ ” ”, with “ op(+) ”, “ op(−) ”, “ op(×) ”, and “op(/)”, respectively.
Page 187, Figure 4.6, last four lines: replace “ “+” ”, “ “−” ”, “ “×” ”, and “ “/ ” ”, with “ op(+) ”, “ op(−) ”, “ op(×) ”, and “op(/)”, respectively.
Page 195: the conclusion of rule ev-trunc should be E ⊢ trunc(e) ⇓ n
Page 196, Figure 4.9: the conclusion of rule ev-lit should be E ⊢ v ⇓ v. The conclusion of rule ev-trunc should be E ⊢ trunc(e) ⇓ n
Page 205, last two lines: replace “Python, Ruby, or JavaScript” with “Python or Ruby”.
Page 210, Fig. 4.13, ninth line of body of typecheck_expr: replace “float” with “real”.
12th line of body of typecheck_stmt: replace “type_expr” with “typ_expr”, “type_x” with “typ_x”, and “error type” with “error_type”.
Page 513, Fig. 9.6, second line of body of main: replace “int n” with “unsigned int n”.

Page 524, Fig. 10.1: replace first line of body of method contains with

  if (data == this.data)
      return true;
  else if (next == null)

Page 526, Example 10.5: replace first line of body of method Link::contains with
```
  if (data == this->data)
      return true;
  else if (next == NULL)
```
Page 530, Exercise 10.10, fourth-to-last line: replace “single super of” with “single super or”.
Page 535, code at top of page: replace first line of body of method contains with
```
  if (data == this.data)
      return true;
  else if (next == null)
```

Companion site

(None known yet.)

Thanks to Johann Klähn, Iman Mohammadi, Minh Nguyen, and John Wesley for their help in catching these mistakes (and others on this website).

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