Implement gemtext HTTP middleware

1 files changed, 23 insertions, 0 deletions

diff --git a/internal/toolkit/toolkit.go b/internal/toolkit/toolkit.go
new file mode 100644
index 0000000..f87a496
--- /dev/null
+++ b/internal/toolkit/toolkit.go
@@ -0,0 +1,23 @@
+// Package toolkit contains useful, general-purpose utilities
+package toolkit
+
+import (
+	"bytes"
+	"sync"
+)
+
+var bufPool = sync.Pool{
+	New: func() any {
+		return new(bytes.Buffer)
+	},
+}
+
+// GetBuffer returns an empty buffer, along with a function which can be used to
+// return it to a global pool, which helps reduce allocations.
+func GetBuffer() (*bytes.Buffer, func()) {
+	buf := bufPool.Get().(*bytes.Buffer)
+	return buf, func() {
+		buf.Reset()
+		bufPool.Put(buf)
+	}
+}