Errata for Perl 6 and Parrot Essentials
Submit your own errata for this product.
The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".
The following errata were submitted by our customers and approved as valid errors by the author or editor.
Color Key: Serious Technical Mistake Minor Technical Mistake Language or formatting error Typo Question Note Update
| Version |
Location |
Description |
Submitted By |
Date Submitted |
Date Corrected |
| Printed |
Page 11
1st paragraph, 1st line |
"there is is only" should read "there is only"
|
Anonymous |
|
|
| Printed |
Page 48
last (3rd) line of sample code in the "Zip Operator" section |
The line of code that demonstrates the zip operator seems to have a spurious "boolean
not" symbol immediately before the "broken bar" symbol (which looks like a capital L
flipped backwards and then rotated 90 degrees counter-clockwise)
|
Anonymous |
|
|
| Printed |
Page 69
The end of the last sentence of the third paragraph. |
The sentence ending:
"and the rest of the signature with a semi-colon:"
should say:
"and the rest of the signature with a colon:"
|
Anonymous |
|
|
| Printed |
Page 118
1st paragraph, 2 occurences |
DEFANGED_object
should be:
object
|
Anonymous |
|
|
| Printed |
Page 119
footnote |
DEFANGED_Objective C is particularly simple...
should be:
Objective C is particularly simple...
|
Anonymous |
|
|
| Printed |
Page 127
Footnote |
The range of 32-bit integers is given as -231 to +231-1.
This should be: -2^31 to +2^(31)-1.
|
Anonymous |
|
|
| Printed |
Page 142
2nd section, first para, 3rd line |
"Logical operations are implemented for integers and PMCs."
But it then gives true/false values for float numerics and strings,
The definition of the truth of values should be moved to page 149 into "conditional branches".
|
Anonymous |
|
|
| Printed |
Page 157
3rd last paragraph |
Change:
The store_lexand find_lex opcodes
to:
The store_lex and find_lex opcodes
|
Anonymous |
|
|
| Printed |
Page 163
3 lines before Table 9-5 |
"the rest of the parameters" should read "the rest of the characters"
|
Anonymous |
|
|
