various: deleted unused items

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/12396043

src/pkg/encoding/json/decode_test.go

@@ -50,8 +50,6 @@ type tx struct {
 	x int
 }
 
-var txType = reflect.TypeOf((*tx)(nil)).Elem()
-
 // A type that can unmarshal itself.
 
 type unmarshaler struct {
@@ -1070,7 +1068,6 @@ func TestUnmarshalNulls(t *testing.T) {
 
 func TestStringKind(t *testing.T) {
 	type stringKind string
-	type aMap map[stringKind]int
 
 	var m1, m2 map[stringKind]int
 	m1 = map[stringKind]int{

src/pkg/html/escape.go

@@ -187,16 +187,6 @@ func unescape(b []byte) []byte {
 	return b
 }
 
-// lower lower-cases the A-Z bytes in b in-place, so that "aBc" becomes "abc".
-func lower(b []byte) []byte {
-	for i, c := range b {
-		if 'A' <= c && c <= 'Z' {
-			b[i] = c + 'a' - 'A'
-		}
-	}
-	return b
-}
-
 const escapedChars = `&'<>"`
 
 func escape(w writer, s string) error {

src/pkg/mime/grammar.go

@@ -30,16 +30,3 @@ func isToken(s string) bool {
 	}
 	return strings.IndexFunc(s, isNotTokenChar) < 0
 }
-
-// isQText returns true if rune is in 'qtext' as defined by RFC 822.
-func isQText(r int) bool {
-	// CHAR        =  <any ASCII character>        ; (  0-177,  0.-127.)
-	// qtext       =  <any CHAR excepting <">,     ; => may be folded
-	//                "\" & CR, and including
-	//                linear-white-space>
-	switch r {
-	case '"', '\\', '\r':
-		return false
-	}
-	return r < 0x80
-}

src/pkg/text/template/parse/parse.go

@@ -14,7 +14,6 @@ import (
 	"runtime"
 	"strconv"
 	"strings"
-	"unicode"
 )
 
 // Tree is the representation of a single parsed template.
@@ -200,27 +199,6 @@ func (t *Tree) stopParse() {
 	t.funcs = nil
 }
 
-// atEOF returns true if, possibly after spaces, we're at EOF.
-func (t *Tree) atEOF() bool {
-	for {
-		token := t.peek()
-		switch token.typ {
-		case itemEOF:
-			return true
-		case itemText:
-			for _, r := range token.val {
-				if !unicode.IsSpace(r) {
-					return false
-				}
-			}
-			t.next() // skip spaces.
-			continue
-		}
-		break
-	}
-	return false
-}
-
 // Parse parses the template definition string to construct a representation of
 // the template for execution. If either action delimiter string is empty, the
 // default ("{{" or "}}") is used. Embedded template definitions are added to

src/pkg/time/time.go

@@ -669,7 +669,6 @@ const (
 	daysPer400Years  = 365*400 + 97
 	daysPer100Years  = 365*100 + 24
 	daysPer4Years    = 365*4 + 1
-	days1970To2001   = 31*365 + 8
 )
 
 // date computes the year, day of year, and when full=true,

src/pkg/time/zoneinfo.go

@@ -178,19 +178,6 @@ func (l *Location) lookupName(name string, unix int64) (offset int, isDST bool,
 	return
 }
 
-// lookupOffset returns information about the time zone with
-// the given offset (such as -5*60*60).
-func (l *Location) lookupOffset(offset int) (name string, isDST bool, ok bool) {
-	l = l.get()
-	for i := range l.zone {
-		zone := &l.zone[i]
-		if zone.offset == offset {
-			return zone.name, zone.isDST, true
-		}
-	}
-	return
-}
-
 // NOTE(rsc): Eventually we will need to accept the POSIX TZ environment
 // syntax too, but I don't feel like implementing it today.
 

src/pkg/time/zoneinfo_read.go

@@ -11,10 +11,6 @@ package time
 
 import "errors"
 
-const (
-	headerSize = 4 + 16 + 4*7
-)
-
 // Simple I/O interface to binary blob of data.
 type data struct {
 	p     []byte