vendor: update tsdb and remove unused

This commit is contained in:
Fabian Reinartz 2017-03-31 14:08:30 +02:00
parent a2e7b0b934
commit 581f69d755
20 changed files with 82 additions and 776 deletions

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@ -1,3 +0,0 @@
This package is licensed under the same terms as Go itself and
has the same contribution / CLA requirements.

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@ -1,27 +0,0 @@
Copyright (c) 2012 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@ -1 +0,0 @@
See https://godoc.org/github.com/bradfitz/slice

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@ -1,44 +0,0 @@
// Copyright 2014 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.
// Package slice provides a slice sorting function.
package slice
import (
"fmt"
"reflect"
"sort"
"go4.org/reflectutil"
)
// Sort sorts the provided slice using the function less.
// If slice is not a slice, Sort panics.
func Sort(slice interface{}, less func(i, j int) bool) {
sort.Sort(SortInterface(slice, less))
}
// SortInterface returns a sort.Interface to sort the provided slice
// using the function less.
func SortInterface(slice interface{}, less func(i, j int) bool) sort.Interface {
sv := reflect.ValueOf(slice)
if sv.Kind() != reflect.Slice {
panic(fmt.Sprintf("slice.Sort called with non-slice value of type %T", slice))
}
return &funcs{
length: sv.Len(),
less: less,
swap: reflectutil.Swapper(slice),
}
}
type funcs struct {
length int
less func(i, j int) bool
swap func(i, j int)
}
func (f *funcs) Len() int { return f.length }
func (f *funcs) Less(i, j int) bool { return f.less(i, j) }
func (f *funcs) Swap(i, j int) { f.swap(i, j) }

43
vendor/github.com/fabxc/tsdb/db.go generated vendored
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@ -462,18 +462,22 @@ func (db *DB) Appender() Appender {
db.mtx.RLock()
a := &dbAppender{db: db}
// Only instantiate appender after returning the headmtx to avoid
// questionable locking order.
db.headmtx.RLock()
app := db.appendable()
db.headmtx.RUnlock()
// XXX(fabxc): turn off creating initial appender as it will happen on-demand
// anyway. For now this, with combination of only having a single timestamp per batch,
// prevents opening more than one appender and hitting an unresolved deadlock (#11).
//
// // Only instantiate appender after returning the headmtx to avoid
// // questionable locking order.
// db.headmtx.RLock()
// app := db.appendable()
// db.headmtx.RUnlock()
for _, b := range app {
a.heads = append(a.heads, &metaAppender{
meta: b.Meta(),
app: b.Appender().(*headAppender),
})
}
// for _, b := range app {
// a.heads = append(a.heads, &metaAppender{
// meta: b.Meta(),
// app: b.Appender().(*headAppender),
// })
// }
return a
}
@ -551,14 +555,27 @@ func (a *dbAppender) appenderFor(t int64) (*metaAppender, error) {
a.db.headmtx.Unlock()
// Instantiate appenders after returning headmtx to avoid questionable
// locking order.
// XXX(fabxc): temporary workaround. See comment on instantiating DB.Appender.
for _, b := range newHeads {
// Only get appender for the block with the specific timestamp.
if t >= b.Meta().MaxTime {
continue
}
a.heads = append(a.heads, &metaAppender{
app: b.Appender(),
meta: b.Meta(),
})
break
}
// // Instantiate appenders after returning headmtx to avoid questionable
// // locking order.
// for _, b := range newHeads {
// a.heads = append(a.heads, &metaAppender{
// app: b.Appender(),
// meta: b.Meta(),
// })
// }
}
for i := len(a.heads) - 1; i >= 0; i-- {
if h := a.heads[i]; t >= h.meta.MinTime {

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@ -17,10 +17,6 @@ import (
"github.com/pkg/errors"
)
// func init() {
// deadlock.Opts.OnPotentialDeadlock = func() { fmt.Println("found deadlock") }
// }
var (
// ErrNotFound is returned if a looked up resource was not found.
ErrNotFound = errors.Errorf("not found")
@ -591,6 +587,11 @@ func (h *headBlock) create(hash uint64, lset labels.Labels) *memSeries {
return s
}
type sample struct {
t int64
v float64
}
type memSeries struct {
mtx sync.RWMutex

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@ -40,9 +40,10 @@ type IndexWriter interface {
WriteLabelIndex(names []string, values []string) error
// WritePostings writes a postings list for a single label pair.
// The Postings here contain refs to the series that were added.
WritePostings(name, value string, it Postings) error
// Close writes any finalization and closes theresources associated with
// Close writes any finalization and closes the resources associated with
// the underlying writer.
Close() error
}
@ -416,6 +417,7 @@ type IndexReader interface {
LabelValues(names ...string) (StringTuples, error)
// Postings returns the postings list iterator for the label pair.
// The Postings here contain the offsets to the series inside the index.
Postings(name, value string) (Postings, error)
// Series returns the series for the given reference.
@ -698,20 +700,11 @@ func (r *indexReader) Postings(name, value string) (Postings, error) {
return nil, errors.Wrapf(errInvalidFlag, "section at %d", off)
}
// TODO(fabxc): just read into memory as an intermediate solution.
// Add iterator over serialized data.
var l []uint32
for len(b) > 0 {
if len(b) < 4 {
return nil, errors.Wrap(errInvalidSize, "plain postings entry")
}
l = append(l, binary.BigEndian.Uint32(b[:4]))
b = b[4:]
// Add iterator over the bytes.
if len(b)%4 != 0 {
return nil, errors.Wrap(errInvalidSize, "plain postings entry")
}
return &listPostings{list: l, idx: -1}, nil
return newBigEndianPostings(b), nil
}
type stringTuples struct {

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@ -1,6 +1,7 @@
package tsdb
import (
"encoding/binary"
"sort"
"strings"
)
@ -240,6 +241,42 @@ func (it *listPostings) Err() error {
return nil
}
// bigEndianPostings implements the Postings interface over a byte stream of
// big endian numbers.
type bigEndianPostings struct {
list []byte
idx int
}
func newBigEndianPostings(list []byte) *bigEndianPostings {
return &bigEndianPostings{list: list, idx: -1}
}
func (it *bigEndianPostings) At() uint32 {
idx := 4 * it.idx
return binary.BigEndian.Uint32(it.list[idx : idx+4])
}
func (it *bigEndianPostings) Next() bool {
it.idx++
return it.idx*4 < len(it.list)
}
func (it *bigEndianPostings) Seek(x uint32) bool {
num := len(it.list) / 4
// Do binary search between current position and end.
it.idx += sort.Search(num-it.idx, func(i int) bool {
idx := 4 * (it.idx + i)
val := binary.BigEndian.Uint32(it.list[idx : idx+4])
return val >= x
})
return it.idx*4 < len(it.list)
}
func (it *bigEndianPostings) Err() error {
return nil
}
type stringset map[string]struct{}
func (ss stringset) set(s string) {

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@ -2,7 +2,6 @@ package tsdb
import (
"fmt"
"math"
"sort"
"strings"
@ -605,202 +604,6 @@ func (it *chunkSeriesIterator) Err() error {
return it.cur.Err()
}
// BufferedSeriesIterator wraps an iterator with a look-back buffer.
type BufferedSeriesIterator struct {
it SeriesIterator
buf *sampleRing
lastTime int64
}
// NewBuffer returns a new iterator that buffers the values within the time range
// of the current element and the duration of delta before.
func NewBuffer(it SeriesIterator, delta int64) *BufferedSeriesIterator {
return &BufferedSeriesIterator{
it: it,
buf: newSampleRing(delta, 16),
lastTime: math.MinInt64,
}
}
// PeekBack returns the previous element of the iterator. If there is none buffered,
// ok is false.
func (b *BufferedSeriesIterator) PeekBack() (t int64, v float64, ok bool) {
return b.buf.last()
}
// Buffer returns an iterator over the buffered data.
func (b *BufferedSeriesIterator) Buffer() SeriesIterator {
return b.buf.iterator()
}
// Seek advances the iterator to the element at time t or greater.
func (b *BufferedSeriesIterator) Seek(t int64) bool {
t0 := t - b.buf.delta
// If the delta would cause us to seek backwards, preserve the buffer
// and just continue regular advancment while filling the buffer on the way.
if t0 > b.lastTime {
b.buf.reset()
ok := b.it.Seek(t0)
if !ok {
return false
}
b.lastTime, _ = b.At()
}
if b.lastTime >= t {
return true
}
for b.Next() {
if b.lastTime >= t {
return true
}
}
return false
}
// Next advances the iterator to the next element.
func (b *BufferedSeriesIterator) Next() bool {
// Add current element to buffer before advancing.
b.buf.add(b.it.At())
ok := b.it.Next()
if ok {
b.lastTime, _ = b.At()
}
return ok
}
// At returns the current element of the iterator.
func (b *BufferedSeriesIterator) At() (int64, float64) {
return b.it.At()
}
// Err returns the last encountered error.
func (b *BufferedSeriesIterator) Err() error {
return b.it.Err()
}
type sample struct {
t int64
v float64
}
type sampleRing struct {
delta int64
buf []sample // lookback buffer
i int // position of most recent element in ring buffer
f int // position of first element in ring buffer
l int // number of elements in buffer
}
func newSampleRing(delta int64, sz int) *sampleRing {
r := &sampleRing{delta: delta, buf: make([]sample, sz)}
r.reset()
return r
}
func (r *sampleRing) reset() {
r.l = 0
r.i = -1
r.f = 0
}
func (r *sampleRing) iterator() SeriesIterator {
return &sampleRingIterator{r: r, i: -1}
}
type sampleRingIterator struct {
r *sampleRing
i int
}
func (it *sampleRingIterator) Next() bool {
it.i++
return it.i < it.r.l
}
func (it *sampleRingIterator) Seek(int64) bool {
return false
}
func (it *sampleRingIterator) Err() error {
return nil
}
func (it *sampleRingIterator) At() (int64, float64) {
return it.r.at(it.i)
}
func (r *sampleRing) at(i int) (int64, float64) {
j := (r.f + i) % len(r.buf)
s := r.buf[j]
return s.t, s.v
}
// add adds a sample to the ring buffer and frees all samples that fall
// out of the delta range.
func (r *sampleRing) add(t int64, v float64) {
l := len(r.buf)
// Grow the ring buffer if it fits no more elements.
if l == r.l {
buf := make([]sample, 2*l)
copy(buf[l+r.f:], r.buf[r.f:])
copy(buf, r.buf[:r.f])
r.buf = buf
r.i = r.f
r.f += l
} else {
r.i++
if r.i >= l {
r.i -= l
}
}
r.buf[r.i] = sample{t: t, v: v}
r.l++
// Free head of the buffer of samples that just fell out of the range.
for r.buf[r.f].t < t-r.delta {
r.f++
if r.f >= l {
r.f -= l
}
r.l--
}
}
// last returns the most recent element added to the ring.
func (r *sampleRing) last() (int64, float64, bool) {
if r.l == 0 {
return 0, 0, false
}
s := r.buf[r.i]
return s.t, s.v, true
}
func (r *sampleRing) samples() []sample {
res := make([]sample, r.l)
var k = r.f + r.l
var j int
if k > len(r.buf) {
k = len(r.buf)
j = r.l - k + r.f
}
n := copy(res, r.buf[r.f:k])
copy(res[n:], r.buf[:j])
return res
}
type mockSeriesSet struct {
next func() bool
series func() Series

202
vendor/go4.org/LICENSE generated vendored
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@ -1,202 +0,0 @@
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17
vendor/go4.org/reflectutil/asm_b.s generated vendored
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@ -1,17 +0,0 @@
// Copyright 2016 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 go1.6
// +build arm
#include "textflag.h"
#include "funcdata.h"
// func typedmemmove(reflect_rtype, src unsafe.Pointer, size uintptr)
TEXT ·typedmemmove(SB),(NOSPLIT|WRAPPER),$0-24
B runtime·typedmemmove(SB)
// func memmove(dst, src unsafe.Pointer, size uintptr)
TEXT ·memmove(SB),(NOSPLIT|WRAPPER),$0-24
B runtime·memmove(SB)

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@ -1,13 +0,0 @@
// Copyright 2016 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 !go1.5
// +build arm
#include "textflag.h"
#include "funcdata.h"
// func memmove(dst, src unsafe.Pointer, size uintptr)
TEXT ·memmove(SB),(NOSPLIT|WRAPPER),$0-24
B runtime·memmove(SB)

17
vendor/go4.org/reflectutil/asm_jmp.s generated vendored
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@ -1,17 +0,0 @@
// Copyright 2016 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 go1.5,!js,!safe,!appengine
// +build amd64 386
#include "textflag.h"
#include "funcdata.h"
// func typedmemmove(reflect_rtype, src unsafe.Pointer, size uintptr)
TEXT ·typedmemmove(SB),(NOSPLIT|WRAPPER),$0-24
JMP runtime·typedmemmove(SB)
// func memmove(dst, src unsafe.Pointer, size uintptr)
TEXT ·memmove(SB),(NOSPLIT|WRAPPER),$0-24
JMP runtime·memmove(SB)

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@ -1,13 +0,0 @@
// Copyright 2016 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 !go1.5,!js,!safe,!appengine
// +build amd64 386
#include "textflag.h"
#include "funcdata.h"
// func memmove(dst, src unsafe.Pointer, size uintptr)
TEXT ·memmove(SB),(NOSPLIT|WRAPPER),$0-24
JMP runtime·memmove(SB)

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@ -1,40 +0,0 @@
// Copyright 2016 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.
// Package reflectutil contains reflect utilities.
package reflectutil
import "reflect"
// hasPointers reports whether the given type contains any pointers,
// including any internal pointers in slices, funcs, maps, channels,
// etc.
//
// This function exists for Swapper's internal use, instead of reaching
// into the runtime's *reflect._rtype kind&kindNoPointers flag.
func hasPointers(t reflect.Type) bool {
if t == nil {
panic("nil Type")
}
k := t.Kind()
if k <= reflect.Complex128 {
return false
}
switch k {
default:
// chan, func, interface, map, ptr, slice, string, unsafepointer
// And anything else. It's safer to err on the side of true.
return true
case reflect.Array:
return hasPointers(t.Elem())
case reflect.Struct:
num := t.NumField()
for i := 0; i < num; i++ {
if hasPointers(t.Field(i).Type) {
return true
}
}
return false
}
}

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@ -1,21 +0,0 @@
// Copyright 2016 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.
package reflectutil
import "reflect"
// Swapper returns a function which swaps the elements in slice.
// Swapper panics if the provided interface is not a slice.
//
// Its goal is to work safely and efficiently for all versions and
// variants of Go: pre-Go1.5, Go1.5+, safe, unsafe, App Engine,
// GopherJS, etc.
func Swapper(slice interface{}) func(i, j int) {
v := reflect.ValueOf(slice)
if v.Kind() != reflect.Slice {
panic(&reflect.ValueError{Method: "reflectutil.Swapper", Kind: v.Kind()})
}
return swapper(v)
}

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@ -1,105 +0,0 @@
// Copyright 2016 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 !js,!appengine,!safe
package reflectutil
import (
"reflect"
"unsafe"
)
const ptrSize = 4 << (^uintptr(0) >> 63) // unsafe.Sizeof(uintptr(0)) but an ideal const
// arrayAt returns the i-th element of p, a C-array whose elements are
// eltSize wide (in bytes).
func arrayAt(p unsafe.Pointer, i int, eltSize uintptr) unsafe.Pointer {
return unsafe.Pointer(uintptr(p) + uintptr(i)*eltSize)
}
type sliceHeader struct {
Data unsafe.Pointer
Len int
Cap int
}
func swapper(v reflect.Value) func(i, j int) {
maxLen := uint(v.Len())
s := sliceHeader{unsafe.Pointer(v.Pointer()), int(maxLen), int(maxLen)}
tt := v.Type()
elemt := tt.Elem()
typ := unsafe.Pointer(reflect.ValueOf(elemt).Pointer())
size := elemt.Size()
hasPtr := hasPointers(elemt)
// Some common & small cases, without using memmove:
if hasPtr {
if size == ptrSize {
var ps []unsafe.Pointer
*(*sliceHeader)(unsafe.Pointer(&ps)) = s
return func(i, j int) { ps[i], ps[j] = ps[j], ps[i] }
}
if elemt.Kind() == reflect.String {
var ss []string
*(*sliceHeader)(unsafe.Pointer(&ss)) = s
return func(i, j int) { ss[i], ss[j] = ss[j], ss[i] }
}
} else {
switch size {
case 8:
var is []int64
*(*sliceHeader)(unsafe.Pointer(&is)) = s
return func(i, j int) { is[i], is[j] = is[j], is[i] }
case 4:
var is []int32
*(*sliceHeader)(unsafe.Pointer(&is)) = s
return func(i, j int) { is[i], is[j] = is[j], is[i] }
case 2:
var is []int16
*(*sliceHeader)(unsafe.Pointer(&is)) = s
return func(i, j int) { is[i], is[j] = is[j], is[i] }
case 1:
var is []int8
*(*sliceHeader)(unsafe.Pointer(&is)) = s
return func(i, j int) { is[i], is[j] = is[j], is[i] }
}
}
// Allocate scratch space for swaps:
tmpVal := reflect.New(elemt)
tmp := unsafe.Pointer(tmpVal.Pointer())
// If no pointers (or Go 1.4 or below), we don't require typedmemmove:
if !haveTypedMemmove || !hasPtr {
return func(i, j int) {
if uint(i) >= maxLen || uint(j) >= maxLen {
panic("reflect: slice index out of range")
}
val1 := arrayAt(s.Data, i, size)
val2 := arrayAt(s.Data, j, size)
memmove(tmp, val1, size)
memmove(val1, val2, size)
memmove(val2, tmp, size)
}
}
return func(i, j int) {
if uint(i) >= maxLen || uint(j) >= maxLen {
panic("reflect: slice index out of range")
}
val1 := arrayAt(s.Data, i, size)
val2 := arrayAt(s.Data, j, size)
typedmemmove(typ, tmp, val1)
typedmemmove(typ, val1, val2)
typedmemmove(typ, val2, tmp)
}
}
// memmove copies size bytes from src to dst.
// The memory must not contain any pointers.
//go:noescape
func memmove(dst, src unsafe.Pointer, size uintptr)

View file

@ -1,15 +0,0 @@
// Copyright 2016 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 !go1.5,!js,!appengine,!safe
package reflectutil
import "unsafe"
const haveTypedMemmove = false
func typedmemmove(reflect_rtype, dst, src unsafe.Pointer) {
panic("never called") // only here so swapper_unsafe.go compiles
}

View file

@ -1,15 +0,0 @@
// Copyright 2016 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 go1.5,!js,!appengine,!safe
package reflectutil
import "unsafe"
const haveTypedMemmove = true
// typedmemmove copies a value of type t to dst from src.
//go:noescape
func typedmemmove(reflect_rtype, dst, src unsafe.Pointer)

18
vendor/vendor.json vendored
View file

@ -227,12 +227,6 @@
"revision": "c589d0c9f0d81640c518354c7bcae77d99820aa3",
"revisionTime": "2016-09-30T00:14:02Z"
},
{
"checksumSHA1": "NHQfiS8m+veKimFRVXgomeNq5vo=",
"path": "github.com/bradfitz/slice",
"revision": "d9036e2120b5ddfa53f3ebccd618c4af275f47da",
"revisionTime": "2016-08-23T17:19:49Z"
},
{
"checksumSHA1": "ki4pYDh/uURZV90biC7in/HIBsc=",
"path": "github.com/cespare/xxhash",
@ -368,10 +362,10 @@
"revisionTime": "2016-09-30T00:14:02Z"
},
{
"checksumSHA1": "L4bnnz4uVgDueUvcTKkZJ+IqPbw=",
"checksumSHA1": "bBLYUZL/ZfgLqOPlBCkA88QahFQ=",
"path": "github.com/fabxc/tsdb",
"revision": "70909ca8ad875aa6f01e1801d185b3f3bab2fda3",
"revisionTime": "2017-03-21T11:21:02Z"
"revision": "1afd8080f78b4925d2d6824eb8b6df333e549160",
"revisionTime": "2017-03-31T11:53:02Z"
},
{
"checksumSHA1": "uVzWuLvF646YjiKomsc2CR1ua58=",
@ -685,12 +679,6 @@
"revision": "c589d0c9f0d81640c518354c7bcae77d99820aa3",
"revisionTime": "2016-09-30T00:14:02Z"
},
{
"checksumSHA1": "yy0yzurpFpQZS31Tj1WjBxLVCSE=",
"path": "go4.org/reflectutil",
"revision": "09d86de304dc27e636298361bbfee4ac6ab04f21",
"revisionTime": "2016-11-18T21:00:15Z"
},
{
"checksumSHA1": "9jjO5GjLa0XF/nfWihF02RoH4qc=",
"path": "golang.org/x/net/context",