1 files changed, 24 insertions, 0 deletions
diff --git a/go/src/lib/statusline/statuslinue.go b/go/src/lib/statusline/statuslinue.go
new file mode 100644
index 0000000..90ec1af
--- /dev/null
+++ b/go/src/lib/statusline/statuslinue.go
@@ -0,0 +1,24 @@
+package statusline
+
+import (
+	"fmt"
+	"io"
+)
+
+type StatusLine struct {
+	out io.Writer
+	prevLen int
+}
+
+func NewStatusLine(out io.Writer) *StatusLine {
+	return &StatusLine{out: out}
+}
+
+func (sl *StatusLine) Put(line string) {
+	fmt.Fprintf(sl.out, "\r%-[1]*[2]s", sl.prevLen, line)
+	sl.prevLen = len(line)
+}
+
+func (sl *StatusLine) End() {
+	fmt.Fprintf(sl.out, "\r%-[1]*[2]s\r", sl.prevLen, "")
+}