From 761e4768f31782a13cecf770327ee4767ce59334 Mon Sep 17 00:00:00 2001
From: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
Date: Sun, 19 Mar 2017 21:35:01 +0530
Subject: [PATCH] Lint and Vet Fixes

---
 chunks.go          | 2 +-
 chunks/xor.go      | 1 +
 cmd/tsdb/main.go   | 6 +++---
 labels/selector.go | 6 +++++-
 querier.go         | 4 ++--
 wal.go             | 1 +
 6 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/chunks.go b/chunks.go
index b3aaeb206..8fadeb3f1 100644
--- a/chunks.go
+++ b/chunks.go
@@ -15,7 +15,7 @@ import (
 )
 
 const (
-	// MagicSeries 4 bytes at the head of series file.
+	// MagicChunks is 4 bytes at the head of series file.
 	MagicChunks = 0x85BD40DD
 )
 
diff --git a/chunks/xor.go b/chunks/xor.go
index 8acdda6ee..2316c1d4f 100644
--- a/chunks/xor.go
+++ b/chunks/xor.go
@@ -19,6 +19,7 @@ func NewXORChunk() *XORChunk {
 	return &XORChunk{b: &bstream{stream: b, count: 0}}
 }
 
+// Encoding returns the encoding type.
 func (c *XORChunk) Encoding() Encoding {
 	return EncXOR
 }
diff --git a/cmd/tsdb/main.go b/cmd/tsdb/main.go
index 575582431..24c836946 100644
--- a/cmd/tsdb/main.go
+++ b/cmd/tsdb/main.go
@@ -237,21 +237,21 @@ func (b *writeBenchmark) startProfiling() {
 	// Start CPU profiling.
 	b.cpuprof, err = os.Create(filepath.Join(b.outPath, "cpu.prof"))
 	if err != nil {
-		exitWithError(fmt.Errorf("bench: could not create cpu profile: %v\n", err))
+		exitWithError(fmt.Errorf("bench: could not create cpu profile: %v", err))
 	}
 	pprof.StartCPUProfile(b.cpuprof)
 
 	// Start memory profiling.
 	b.memprof, err = os.Create(filepath.Join(b.outPath, "mem.prof"))
 	if err != nil {
-		exitWithError(fmt.Errorf("bench: could not create memory profile: %v\n", err))
+		exitWithError(fmt.Errorf("bench: could not create memory profile: %v", err))
 	}
 	runtime.MemProfileRate = 4096
 
 	// Start fatal profiling.
 	b.blockprof, err = os.Create(filepath.Join(b.outPath, "block.prof"))
 	if err != nil {
-		exitWithError(fmt.Errorf("bench: could not create block profile: %v\n", err))
+		exitWithError(fmt.Errorf("bench: could not create block profile: %v", err))
 	}
 	runtime.SetBlockProfileRate(1)
 }
diff --git a/labels/selector.go b/labels/selector.go
index 0bcf5380c..07c0347b0 100644
--- a/labels/selector.go
+++ b/labels/selector.go
@@ -23,11 +23,15 @@ type Matcher interface {
 	Matches(v string) bool
 }
 
+// EqualMatcher matches on equality.
 type EqualMatcher struct {
 	name, value string
 }
 
-func (m *EqualMatcher) Name() string          { return m.name }
+// Name implements Matcher interface.
+func (m *EqualMatcher) Name() string { return m.name }
+
+// Matches implements Matcher interface.
 func (m *EqualMatcher) Matches(v string) bool { return v == m.value }
 
 // NewEqualMatcher returns a new matcher matching an exact label value.
diff --git a/querier.go b/querier.go
index c027a8dc0..f68c3627b 100644
--- a/querier.go
+++ b/querier.go
@@ -480,7 +480,7 @@ type SeriesIterator interface {
 	// If there's no value exactly at ts, it advances to the last value
 	// before tt.
 	Seek(t int64) bool
-	// Values returns the current timestamp/value pair.
+	// At returns the current timestamp/value pair.
 	At() (t int64, v float64)
 	// Next advances the iterator by one.
 	Next() bool
@@ -693,7 +693,7 @@ func (b *BufferedSeriesIterator) Next() bool {
 	return ok
 }
 
-// Values returns the current element of the iterator.
+// At returns the current element of the iterator.
 func (b *BufferedSeriesIterator) At() (int64, float64) {
 	return b.it.At()
 }
diff --git a/wal.go b/wal.go
index 2a49dcf41..6ccaad470 100644
--- a/wal.go
+++ b/wal.go
@@ -214,6 +214,7 @@ func (w *WAL) tail() *os.File {
 	return w.files[len(w.files)-1]
 }
 
+// Sync flushes the changes to disk.
 func (w *WAL) Sync() error {
 	w.mtx.Lock()
 	defer w.mtx.Unlock()