2 files changed, 35 insertions, 3 deletions
diff --git a/internal/fastio/allwriter.go b/internal/fastio/allwriter.go
index 9de8fdc..c587531 100644
--- a/internal/fastio/allwriter.go
+++ b/internal/fastio/allwriter.go
@@ -7,6 +7,8 @@ package fastio
 import (
 	"io"
 	"unicode/utf8"
+
+	"git.lukeshu.com/go/lowmemjson/internal/fastio/noescape"
 )
 
 // interfaces /////////////////////////////////////////////////////////////////
@@ -28,18 +30,18 @@ type AllWriter interface {
 func WriteByte(w io.Writer, b byte) error {
 	var buf [1]byte
 	buf[0] = b
-	_, err := w.Write(buf[:])
+	_, err := noescape.Write(w, buf[:])
 	return err
 }
 
 func WriteRune(w io.Writer, r rune) (int, error) {
 	var buf [utf8.UTFMax]byte
 	n := utf8.EncodeRune(buf[:], r)
-	return w.Write(buf[:n])
+	return noescape.Write(w, buf[:n])
 }
 
 func WriteString(w io.Writer, s string) (int, error) {
-	return w.Write([]byte(s))
+	return noescape.Write(w, []byte(s))
 }
 
 // wrappers ///////////////////////////////////////////////////////////////////
diff --git a/internal/fastio/noescape/noescape.go b/internal/fastio/noescape/noescape.go
new file mode 100644
index 0000000..02d25b5
--- /dev/null
+++ b/internal/fastio/noescape/noescape.go
@@ -0,0 +1,30 @@
+// Copyright (C) 2023  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package noescape
+
+import (
+	"io"
+	_ "unsafe"
+)
+
+//go:noescape
+//go:linkname Write io.Writer.Write
+func Write(w io.Writer, dat []byte) (int, error)
+
+//go:noescape
+//go:linkname WriteString io.StringWriter.WriteString
+func WriteString(w io.Writer, dat string) (int, error)
+
+//go:noescape
+//go:linkname WriteAt io.WriterAt.WriteAt
+func WriteAt(w io.WriterAt, dat []byte, off int64) (int, error)
+
+//go:noescape
+//go:linkname Read io.Reader.Read
+func Read(w io.Reader, dat []byte) (int, error)
+
+//go:noescape
+//go:linkname ReadAt io.ReaderAt.ReadAt
+func ReadAt(w io.WriterAt, dat []byte, off int64) (int, error)