From 8635c70fda20b91f97c42f4e23e97bc01a14a89d Mon Sep 17 00:00:00 2001
From: Galen Abell <galen@galenabell.com>
Date: Tue, 23 Jul 2019 12:52:33 -0400
Subject: Add command history and cycling

Aerc will keep track of the previous 1000 commands, which the user can
cycle through using the arrow keys while in the ex-line. Pressing up
will move backwards in history while pressing down will move forward.
---
 lib/history.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 lib/history.go

(limited to 'lib')

diff --git a/lib/history.go b/lib/history.go
new file mode 100644
index 0000000..abc081f
--- /dev/null
+++ b/lib/history.go
@@ -0,0 +1,13 @@
+package lib
+
+// History represents a list of elements ordered by time.
+type History interface {
+	// Add a new element to the history
+	Add(string)
+	// Get the next element in history
+	Next() string
+	// Get the previous element in history
+	Prev() string
+	// Reset the current location in history
+	Reset()
+}
-- 
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