diff options
Diffstat (limited to 'vendor/golang.org/x/text/encoding')
5 files changed, 0 insertions, 747 deletions
diff --git a/vendor/golang.org/x/text/encoding/internal/identifier/gen.go b/vendor/golang.org/x/text/encoding/internal/identifier/gen.go deleted file mode 100644 index 26cfef9c..00000000 --- a/vendor/golang.org/x/text/encoding/internal/identifier/gen.go +++ /dev/null @@ -1,142 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build ignore - -package main - -import ( - "bytes" - "encoding/xml" - "fmt" - "io" - "log" - "strings" - - "golang.org/x/text/internal/gen" -) - -type registry struct { - XMLName xml.Name `xml:"registry"` - Updated string `xml:"updated"` - Registry []struct { - ID string `xml:"id,attr"` - Record []struct { - Name string `xml:"name"` - Xref []struct { - Type string `xml:"type,attr"` - Data string `xml:"data,attr"` - } `xml:"xref"` - Desc struct { - Data string `xml:",innerxml"` - // Any []struct { - // Data string `xml:",chardata"` - // } `xml:",any"` - // Data string `xml:",chardata"` - } `xml:"description,"` - MIB string `xml:"value"` - Alias []string `xml:"alias"` - MIME string `xml:"preferred_alias"` - } `xml:"record"` - } `xml:"registry"` -} - -func main() { - r := gen.OpenIANAFile("assignments/character-sets/character-sets.xml") - reg := ®istry{} - if err := xml.NewDecoder(r).Decode(®); err != nil && err != io.EOF { - log.Fatalf("Error decoding charset registry: %v", err) - } - if len(reg.Registry) == 0 || reg.Registry[0].ID != "character-sets-1" { - log.Fatalf("Unexpected ID %s", reg.Registry[0].ID) - } - - w := &bytes.Buffer{} - fmt.Fprintf(w, "const (\n") - for _, rec := range reg.Registry[0].Record { - constName := "" - for _, a := range rec.Alias { - if strings.HasPrefix(a, "cs") && strings.IndexByte(a, '-') == -1 { - // Some of the constant definitions have comments in them. Strip those. - constName = strings.Title(strings.SplitN(a[2:], "\n", 2)[0]) - } - } - if constName == "" { - switch rec.MIB { - case "2085": - constName = "HZGB2312" // Not listed as alias for some reason. - default: - log.Fatalf("No cs alias defined for %s.", rec.MIB) - } - } - if rec.MIME != "" { - rec.MIME = fmt.Sprintf(" (MIME: %s)", rec.MIME) - } - fmt.Fprintf(w, "// %s is the MIB identifier with IANA name %s%s.\n//\n", constName, rec.Name, rec.MIME) - if len(rec.Desc.Data) > 0 { - fmt.Fprint(w, "// ") - d := xml.NewDecoder(strings.NewReader(rec.Desc.Data)) - inElem := true - attr := "" - for { - t, err := d.Token() - if err != nil { - if err != io.EOF { - log.Fatal(err) - } - break - } - switch x := t.(type) { - case xml.CharData: - attr = "" // Don't need attribute info. - a := bytes.Split([]byte(x), []byte("\n")) - for i, b := range a { - if b = bytes.TrimSpace(b); len(b) != 0 { - if !inElem && i > 0 { - fmt.Fprint(w, "\n// ") - } - inElem = false - fmt.Fprintf(w, "%s ", string(b)) - } - } - case xml.StartElement: - if x.Name.Local == "xref" { - inElem = true - use := false - for _, a := range x.Attr { - if a.Name.Local == "type" { - use = use || a.Value != "person" - } - if a.Name.Local == "data" && use { - // Patch up URLs to use https. From some links, the - // https version is different from the http one. - s := a.Value - s = strings.Replace(s, "http://", "https://", -1) - s = strings.Replace(s, "/unicode/", "/", -1) - attr = s + " " - } - } - } - case xml.EndElement: - inElem = false - fmt.Fprint(w, attr) - } - } - fmt.Fprint(w, "\n") - } - for _, x := range rec.Xref { - switch x.Type { - case "rfc": - fmt.Fprintf(w, "// Reference: %s\n", strings.ToUpper(x.Data)) - case "uri": - fmt.Fprintf(w, "// Reference: %s\n", x.Data) - } - } - fmt.Fprintf(w, "%s MIB = %s\n", constName, rec.MIB) - fmt.Fprintln(w) - } - fmt.Fprintln(w, ")") - - gen.WriteGoFile("mib.go", "identifier", w.Bytes()) -} diff --git a/vendor/golang.org/x/text/encoding/japanese/maketables.go b/vendor/golang.org/x/text/encoding/japanese/maketables.go deleted file mode 100644 index 023957a6..00000000 --- a/vendor/golang.org/x/text/encoding/japanese/maketables.go +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build ignore - -package main - -// This program generates tables.go: -// go run maketables.go | gofmt > tables.go - -// TODO: Emoji extensions? -// https://www.unicode.org/faq/emoji_dingbats.html -// https://www.unicode.org/Public/UNIDATA/EmojiSources.txt - -import ( - "bufio" - "fmt" - "log" - "net/http" - "sort" - "strings" -) - -type entry struct { - jisCode, table int -} - -func main() { - fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n") - fmt.Printf("// Package japanese provides Japanese encodings such as EUC-JP and Shift JIS.\n") - fmt.Printf(`package japanese // import "golang.org/x/text/encoding/japanese"` + "\n\n") - - reverse := [65536]entry{} - for i := range reverse { - reverse[i].table = -1 - } - - tables := []struct { - url string - name string - }{ - {"http://encoding.spec.whatwg.org/index-jis0208.txt", "0208"}, - {"http://encoding.spec.whatwg.org/index-jis0212.txt", "0212"}, - } - for i, table := range tables { - res, err := http.Get(table.url) - if err != nil { - log.Fatalf("%q: Get: %v", table.url, err) - } - defer res.Body.Close() - - mapping := [65536]uint16{} - - scanner := bufio.NewScanner(res.Body) - for scanner.Scan() { - s := strings.TrimSpace(scanner.Text()) - if s == "" || s[0] == '#' { - continue - } - x, y := 0, uint16(0) - if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil { - log.Fatalf("%q: could not parse %q", table.url, s) - } - if x < 0 || 120*94 <= x { - log.Fatalf("%q: JIS code %d is out of range", table.url, x) - } - mapping[x] = y - if reverse[y].table == -1 { - reverse[y] = entry{jisCode: x, table: i} - } - } - if err := scanner.Err(); err != nil { - log.Fatalf("%q: scanner error: %v", table.url, err) - } - - fmt.Printf("// jis%sDecode is the decoding table from JIS %s code to Unicode.\n// It is defined at %s\n", - table.name, table.name, table.url) - fmt.Printf("var jis%sDecode = [...]uint16{\n", table.name) - for i, m := range mapping { - if m != 0 { - fmt.Printf("\t%d: 0x%04X,\n", i, m) - } - } - fmt.Printf("}\n\n") - } - - // Any run of at least separation continuous zero entries in the reverse map will - // be a separate encode table. - const separation = 1024 - - intervals := []interval(nil) - low, high := -1, -1 - for i, v := range reverse { - if v.table == -1 { - continue - } - if low < 0 { - low = i - } else if i-high >= separation { - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - low = i - } - high = i + 1 - } - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - sort.Sort(byDecreasingLength(intervals)) - - fmt.Printf("const (\n") - fmt.Printf("\tjis0208 = 1\n") - fmt.Printf("\tjis0212 = 2\n") - fmt.Printf("\tcodeMask = 0x7f\n") - fmt.Printf("\tcodeShift = 7\n") - fmt.Printf("\ttableShift = 14\n") - fmt.Printf(")\n\n") - - fmt.Printf("const numEncodeTables = %d\n\n", len(intervals)) - fmt.Printf("// encodeX are the encoding tables from Unicode to JIS code,\n") - fmt.Printf("// sorted by decreasing length.\n") - for i, v := range intervals { - fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high) - } - fmt.Printf("//\n") - fmt.Printf("// The high two bits of the value record whether the JIS code comes from the\n") - fmt.Printf("// JIS0208 table (high bits == 1) or the JIS0212 table (high bits == 2).\n") - fmt.Printf("// The low 14 bits are two 7-bit unsigned integers j1 and j2 that form the\n") - fmt.Printf("// JIS code (94*j1 + j2) within that table.\n") - fmt.Printf("\n") - - for i, v := range intervals { - fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high) - fmt.Printf("var encode%d = [...]uint16{\n", i) - for j := v.low; j < v.high; j++ { - x := reverse[j] - if x.table == -1 { - continue - } - fmt.Printf("\t%d - %d: jis%s<<14 | 0x%02X<<7 | 0x%02X,\n", - j, v.low, tables[x.table].name, x.jisCode/94, x.jisCode%94) - } - fmt.Printf("}\n\n") - } -} - -// interval is a half-open interval [low, high). -type interval struct { - low, high int -} - -func (i interval) len() int { return i.high - i.low } - -// byDecreasingLength sorts intervals by decreasing length. -type byDecreasingLength []interval - -func (b byDecreasingLength) Len() int { return len(b) } -func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() } -func (b byDecreasingLength) Swap(i, j int) { b[i], b[j] = b[j], b[i] } diff --git a/vendor/golang.org/x/text/encoding/korean/maketables.go b/vendor/golang.org/x/text/encoding/korean/maketables.go deleted file mode 100644 index c84034fb..00000000 --- a/vendor/golang.org/x/text/encoding/korean/maketables.go +++ /dev/null @@ -1,143 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build ignore - -package main - -// This program generates tables.go: -// go run maketables.go | gofmt > tables.go - -import ( - "bufio" - "fmt" - "log" - "net/http" - "sort" - "strings" -) - -func main() { - fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n") - fmt.Printf("// Package korean provides Korean encodings such as EUC-KR.\n") - fmt.Printf(`package korean // import "golang.org/x/text/encoding/korean"` + "\n\n") - - res, err := http.Get("http://encoding.spec.whatwg.org/index-euc-kr.txt") - if err != nil { - log.Fatalf("Get: %v", err) - } - defer res.Body.Close() - - mapping := [65536]uint16{} - reverse := [65536]uint16{} - - scanner := bufio.NewScanner(res.Body) - for scanner.Scan() { - s := strings.TrimSpace(scanner.Text()) - if s == "" || s[0] == '#' { - continue - } - x, y := uint16(0), uint16(0) - if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil { - log.Fatalf("could not parse %q", s) - } - if x < 0 || 178*(0xc7-0x81)+(0xfe-0xc7)*94+(0xff-0xa1) <= x { - log.Fatalf("EUC-KR code %d is out of range", x) - } - mapping[x] = y - if reverse[y] == 0 { - c0, c1 := uint16(0), uint16(0) - if x < 178*(0xc7-0x81) { - c0 = uint16(x/178) + 0x81 - c1 = uint16(x % 178) - switch { - case c1 < 1*26: - c1 += 0x41 - case c1 < 2*26: - c1 += 0x47 - default: - c1 += 0x4d - } - } else { - x -= 178 * (0xc7 - 0x81) - c0 = uint16(x/94) + 0xc7 - c1 = uint16(x%94) + 0xa1 - } - reverse[y] = c0<<8 | c1 - } - } - if err := scanner.Err(); err != nil { - log.Fatalf("scanner error: %v", err) - } - - fmt.Printf("// decode is the decoding table from EUC-KR code to Unicode.\n") - fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-euc-kr.txt\n") - fmt.Printf("var decode = [...]uint16{\n") - for i, v := range mapping { - if v != 0 { - fmt.Printf("\t%d: 0x%04X,\n", i, v) - } - } - fmt.Printf("}\n\n") - - // Any run of at least separation continuous zero entries in the reverse map will - // be a separate encode table. - const separation = 1024 - - intervals := []interval(nil) - low, high := -1, -1 - for i, v := range reverse { - if v == 0 { - continue - } - if low < 0 { - low = i - } else if i-high >= separation { - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - low = i - } - high = i + 1 - } - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - sort.Sort(byDecreasingLength(intervals)) - - fmt.Printf("const numEncodeTables = %d\n\n", len(intervals)) - fmt.Printf("// encodeX are the encoding tables from Unicode to EUC-KR code,\n") - fmt.Printf("// sorted by decreasing length.\n") - for i, v := range intervals { - fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high) - } - fmt.Printf("\n") - - for i, v := range intervals { - fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high) - fmt.Printf("var encode%d = [...]uint16{\n", i) - for j := v.low; j < v.high; j++ { - x := reverse[j] - if x == 0 { - continue - } - fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x) - } - fmt.Printf("}\n\n") - } -} - -// interval is a half-open interval [low, high). -type interval struct { - low, high int -} - -func (i interval) len() int { return i.high - i.low } - -// byDecreasingLength sorts intervals by decreasing length. -type byDecreasingLength []interval - -func (b byDecreasingLength) Len() int { return len(b) } -func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() } -func (b byDecreasingLength) Swap(i, j int) { b[i], b[j] = b[j], b[i] } diff --git a/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go b/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go deleted file mode 100644 index 55016c78..00000000 --- a/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build ignore - -package main - -// This program generates tables.go: -// go run maketables.go | gofmt > tables.go - -import ( - "bufio" - "fmt" - "log" - "net/http" - "sort" - "strings" -) - -func main() { - fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n") - fmt.Printf("// Package simplifiedchinese provides Simplified Chinese encodings such as GBK.\n") - fmt.Printf(`package simplifiedchinese // import "golang.org/x/text/encoding/simplifiedchinese"` + "\n\n") - - printGB18030() - printGBK() -} - -func printGB18030() { - res, err := http.Get("http://encoding.spec.whatwg.org/index-gb18030.txt") - if err != nil { - log.Fatalf("Get: %v", err) - } - defer res.Body.Close() - - fmt.Printf("// gb18030 is the table from http://encoding.spec.whatwg.org/index-gb18030.txt\n") - fmt.Printf("var gb18030 = [...][2]uint16{\n") - scanner := bufio.NewScanner(res.Body) - for scanner.Scan() { - s := strings.TrimSpace(scanner.Text()) - if s == "" || s[0] == '#' { - continue - } - x, y := uint32(0), uint32(0) - if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil { - log.Fatalf("could not parse %q", s) - } - if x < 0x10000 && y < 0x10000 { - fmt.Printf("\t{0x%04x, 0x%04x},\n", x, y) - } - } - fmt.Printf("}\n\n") -} - -func printGBK() { - res, err := http.Get("http://encoding.spec.whatwg.org/index-gbk.txt") - if err != nil { - log.Fatalf("Get: %v", err) - } - defer res.Body.Close() - - mapping := [65536]uint16{} - reverse := [65536]uint16{} - - scanner := bufio.NewScanner(res.Body) - for scanner.Scan() { - s := strings.TrimSpace(scanner.Text()) - if s == "" || s[0] == '#' { - continue - } - x, y := uint16(0), uint16(0) - if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil { - log.Fatalf("could not parse %q", s) - } - if x < 0 || 126*190 <= x { - log.Fatalf("GBK code %d is out of range", x) - } - mapping[x] = y - if reverse[y] == 0 { - c0, c1 := x/190, x%190 - if c1 >= 0x3f { - c1++ - } - reverse[y] = (0x81+c0)<<8 | (0x40 + c1) - } - } - if err := scanner.Err(); err != nil { - log.Fatalf("scanner error: %v", err) - } - - fmt.Printf("// decode is the decoding table from GBK code to Unicode.\n") - fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-gbk.txt\n") - fmt.Printf("var decode = [...]uint16{\n") - for i, v := range mapping { - if v != 0 { - fmt.Printf("\t%d: 0x%04X,\n", i, v) - } - } - fmt.Printf("}\n\n") - - // Any run of at least separation continuous zero entries in the reverse map will - // be a separate encode table. - const separation = 1024 - - intervals := []interval(nil) - low, high := -1, -1 - for i, v := range reverse { - if v == 0 { - continue - } - if low < 0 { - low = i - } else if i-high >= separation { - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - low = i - } - high = i + 1 - } - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - sort.Sort(byDecreasingLength(intervals)) - - fmt.Printf("const numEncodeTables = %d\n\n", len(intervals)) - fmt.Printf("// encodeX are the encoding tables from Unicode to GBK code,\n") - fmt.Printf("// sorted by decreasing length.\n") - for i, v := range intervals { - fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high) - } - fmt.Printf("\n") - - for i, v := range intervals { - fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high) - fmt.Printf("var encode%d = [...]uint16{\n", i) - for j := v.low; j < v.high; j++ { - x := reverse[j] - if x == 0 { - continue - } - fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x) - } - fmt.Printf("}\n\n") - } -} - -// interval is a half-open interval [low, high). -type interval struct { - low, high int -} - -func (i interval) len() int { return i.high - i.low } - -// byDecreasingLength sorts intervals by decreasing length. -type byDecreasingLength []interval - -func (b byDecreasingLength) Len() int { return len(b) } -func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() } -func (b byDecreasingLength) Swap(i, j int) { b[i], b[j] = b[j], b[i] } diff --git a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go b/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go deleted file mode 100644 index cf7fdb31..00000000 --- a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go +++ /dev/null @@ -1,140 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build ignore - -package main - -// This program generates tables.go: -// go run maketables.go | gofmt > tables.go - -import ( - "bufio" - "fmt" - "log" - "net/http" - "sort" - "strings" -) - -func main() { - fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n") - fmt.Printf("// Package traditionalchinese provides Traditional Chinese encodings such as Big5.\n") - fmt.Printf(`package traditionalchinese // import "golang.org/x/text/encoding/traditionalchinese"` + "\n\n") - - res, err := http.Get("http://encoding.spec.whatwg.org/index-big5.txt") - if err != nil { - log.Fatalf("Get: %v", err) - } - defer res.Body.Close() - - mapping := [65536]uint32{} - reverse := [65536 * 4]uint16{} - - scanner := bufio.NewScanner(res.Body) - for scanner.Scan() { - s := strings.TrimSpace(scanner.Text()) - if s == "" || s[0] == '#' { - continue - } - x, y := uint16(0), uint32(0) - if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil { - log.Fatalf("could not parse %q", s) - } - if x < 0 || 126*157 <= x { - log.Fatalf("Big5 code %d is out of range", x) - } - mapping[x] = y - - // The WHATWG spec http://encoding.spec.whatwg.org/#indexes says that - // "The index pointer for code point in index is the first pointer - // corresponding to code point in index", which would normally mean - // that the code below should be guarded by "if reverse[y] == 0", but - // last instead of first seems to match the behavior of - // "iconv -f UTF-8 -t BIG5". For example, U+8005 者 occurs twice in - // http://encoding.spec.whatwg.org/index-big5.txt, as index 2148 - // (encoded as "\x8e\xcd") and index 6543 (encoded as "\xaa\xcc") - // and "echo 者 | iconv -f UTF-8 -t BIG5 | xxd" gives "\xaa\xcc". - c0, c1 := x/157, x%157 - if c1 < 0x3f { - c1 += 0x40 - } else { - c1 += 0x62 - } - reverse[y] = (0x81+c0)<<8 | c1 - } - if err := scanner.Err(); err != nil { - log.Fatalf("scanner error: %v", err) - } - - fmt.Printf("// decode is the decoding table from Big5 code to Unicode.\n") - fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-big5.txt\n") - fmt.Printf("var decode = [...]uint32{\n") - for i, v := range mapping { - if v != 0 { - fmt.Printf("\t%d: 0x%08X,\n", i, v) - } - } - fmt.Printf("}\n\n") - - // Any run of at least separation continuous zero entries in the reverse map will - // be a separate encode table. - const separation = 1024 - - intervals := []interval(nil) - low, high := -1, -1 - for i, v := range reverse { - if v == 0 { - continue - } - if low < 0 { - low = i - } else if i-high >= separation { - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - low = i - } - high = i + 1 - } - if high >= 0 { - intervals = append(intervals, interval{low, high}) - } - sort.Sort(byDecreasingLength(intervals)) - - fmt.Printf("const numEncodeTables = %d\n\n", len(intervals)) - fmt.Printf("// encodeX are the encoding tables from Unicode to Big5 code,\n") - fmt.Printf("// sorted by decreasing length.\n") - for i, v := range intervals { - fmt.Printf("// encode%d: %5d entries for runes in [%6d, %6d).\n", i, v.len(), v.low, v.high) - } - fmt.Printf("\n") - - for i, v := range intervals { - fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high) - fmt.Printf("var encode%d = [...]uint16{\n", i) - for j := v.low; j < v.high; j++ { - x := reverse[j] - if x == 0 { - continue - } - fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x) - } - fmt.Printf("}\n\n") - } -} - -// interval is a half-open interval [low, high). -type interval struct { - low, high int -} - -func (i interval) len() int { return i.high - i.low } - -// byDecreasingLength sorts intervals by decreasing length. -type byDecreasingLength []interval - -func (b byDecreasingLength) Len() int { return len(b) } -func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() } -func (b byDecreasingLength) Swap(i, j int) { b[i], b[j] = b[j], b[i] } |