From d0e63c16586d19ae976ca28ef75600d091b2213e Mon Sep 17 00:00:00 2001
From: Wyatt Alt <wyatt@foxglove.dev>
Date: Fri, 8 Sep 2023 07:35:34 -0700
Subject: [PATCH] Linter errors

---
 go/mcap/indexed_message_iterator.go | 2 +-
 go/mcap/lexer.go                    | 3 +++
 go/mcap/lexer_test.go               | 4 ++--
 go/mcap/resettable_write_closer.go  | 2 +-
 go/mcap/writer_test.go              | 4 ++--
 5 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/go/mcap/indexed_message_iterator.go b/go/mcap/indexed_message_iterator.go
index ef7ba4b6fa..1c75b9e56e 100644
--- a/go/mcap/indexed_message_iterator.go
+++ b/go/mcap/indexed_message_iterator.go
@@ -237,7 +237,7 @@ func (it *indexedMessageIterator) loadChunk(chunkIndex *ChunkIndex) error {
 	return nil
 }
 
-func (it *indexedMessageIterator) Next(p []byte) (*Schema, *Channel, *Message, error) {
+func (it *indexedMessageIterator) Next(_ []byte) (*Schema, *Channel, *Message, error) {
 	if !it.hasReadSummarySection {
 		err := it.parseSummarySection()
 		if err != nil {
diff --git a/go/mcap/lexer.go b/go/mcap/lexer.go
index 6ea49e2c18..bfa59b9ce7 100644
--- a/go/mcap/lexer.go
+++ b/go/mcap/lexer.go
@@ -246,6 +246,9 @@ func (l *Lexer) Next(p []byte) (TokenType, []byte, error) {
 			if err != nil {
 				return TokenError, nil, fmt.Errorf("failed to allocate %d bytes for %s token: %w", recordLen, opcode, err)
 			}
+			fmt.Println("new", recordLen)
+		} else {
+			fmt.Println("reuse")
 		}
 
 		record := p[:recordLen]
diff --git a/go/mcap/lexer_test.go b/go/mcap/lexer_test.go
index 179fdb31a7..76ed5dcf73 100644
--- a/go/mcap/lexer_test.go
+++ b/go/mcap/lexer_test.go
@@ -145,9 +145,9 @@ func TestCustomDecompressor(t *testing.T) {
 	)
 	lzr := lz4.NewReader(nil)
 	blockCount := 0
-	lzr.Apply(lz4.OnBlockDoneOption(func(size int) {
+	assert.Nil(t, lzr.Apply(lz4.OnBlockDoneOption(func(size int) {
 		blockCount++
-	}))
+	})))
 	lexer, err := NewLexer(bytes.NewReader(buf), &LexerOptions{
 		Decompressors: map[CompressionFormat]ResettableReader{
 			CompressionLZ4: lzr,
diff --git a/go/mcap/resettable_write_closer.go b/go/mcap/resettable_write_closer.go
index 268856511e..03d36b2f65 100644
--- a/go/mcap/resettable_write_closer.go
+++ b/go/mcap/resettable_write_closer.go
@@ -23,6 +23,6 @@ func (b bufCloser) Write(p []byte) (int, error) {
 	return b.b.Write(p)
 }
 
-func (b bufCloser) Reset(w io.Writer) {
+func (b bufCloser) Reset(_ io.Writer) {
 	b.b.Reset()
 }
diff --git a/go/mcap/writer_test.go b/go/mcap/writer_test.go
index c7a7e1be29..8ecd16ff5a 100644
--- a/go/mcap/writer_test.go
+++ b/go/mcap/writer_test.go
@@ -704,9 +704,9 @@ func TestBYOCompressor(t *testing.T) {
 	// example - custom lz4 settings
 	lzw := lz4.NewWriter(nil)
 	blockCount := 0
-	lzw.Apply(lz4.OnBlockDoneOption(func(size int) {
+	assert.Nil(t, lzw.Apply(lz4.OnBlockDoneOption(func(size int) {
 		blockCount++
-	}))
+	})))
 
 	writer, err := NewWriter(buf, &WriterOptions{
 		Chunked:     true,