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附彔B: 勘誤

p.9, ¶2: for "can compared", read "can be compared". (Thanks to Antonio Macías Ojeda, 2015-10-22.)

p.13: As printed, the gopl.io/ch1/lissajous program is deterministic, not random. We've added the statement below to the downloadable program so that it prints a pseudo-random image each time it is run. (Thanks to Randall McPherson, 2015-10-19.)

rand.Seed(time.Now().UTC().UnixNano())

p.19, ¶2: For "Go's libraries makes", read "Go's library makes". (Thanks to Victor Farazdagi, 2015-11-30.)

p.40, ¶1: The paragraph should end with a period, not a comma. (Thanks to Victor Farazdagi, 2015-11-30.)

p.43, ¶3: Import declarations are explained in §10.4, not §10.3. (Thanks to Peter Jurgensen, 2015-11-21.)

p.52, ¶2: for "an synonym", read "a synonym", twice.

p.68: the table of UTF-8 encodings is missing a bit from each first byte. The corrected table is shown below. (Thanks to Akshay Kumar, 2015-11-02.)

0xxxxxxx                             runes 0?127     (ASCII)
110xxxxx 10xxxxxx                    128?2047        (values <128 unused)
1110xxxx 10xxxxxx 10xxxxxx           2048?65535      (values <2048 unused)
11110xxx 10xxxxxx 10xxxxxx 10xxxxxx  65536?0x10ffff  (other values unused)

p.74: the comment in gopl.io/ch3/printints should say fmt.Sprint, not fmt.Sprintf.

p.76: the comment // "time.Duration 5ms0s should have a closing double-quotation mark.

p.79, ¶4: "When an untyped constant is assigned to a variable, as in the first statement below, or appears on the right-hand side of a variable declaration with an explicit type, as in the other three statements, ..." has it backwards: the first statement is a declaration; the other three are assignments. (Thanks to Yoshiki Shibata, 2015-11-09.)

p.132, code display following ¶3: the final comment should read: // compile error: can't assign func(int, int) int to func(int) int (Thanks to Toni Suter, 2015-11-21.)

p.166, ¶2: for "way", read "a way".

p.362: the gopl.io/ch13/bzip program does not comply with the proposed rules for passing pointers between Go and C code because the C function bz2compress temporarily stores a Go pointer (in) into the Go heap (the bz_stream variable). The bz_stream variable should be allocated, and explicitly freed after the call to BZ2_bzCompressEnd, by C functions. (Thanks to Joe Tsai, 2015-11-18.)