tree-wide: Annotate values that I might want to be tuning

2 files changed, 14 insertions, 1 deletions

diff --git a/lib/textui/log_memstats.go b/lib/textui/log_memstats.go
index 39733c6..6e3c3a1 100644
--- a/lib/textui/log_memstats.go
+++ b/lib/textui/log_memstats.go
@@ -19,7 +19,7 @@ type LiveMemUse struct {
 
 var _ fmt.Stringer = (*LiveMemUse)(nil)
 
-const liveMemUseUpdateInterval = 1 * time.Second
+var liveMemUseUpdateInterval = Tunable(1 * time.Second)
 
 func (o *LiveMemUse) String() string {
 	o.mu.Lock()
diff --git a/lib/textui/tunable.go b/lib/textui/tunable.go
new file mode 100644
index 0000000..7e5f311
--- /dev/null
+++ b/lib/textui/tunable.go
@@ -0,0 +1,13 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package textui
+
+// Tunable annotates a value as something that might want to be tuned
+// as the program gets optimized.
+//
+// TODO(lukeshu): Have Tunable be runtime-configurable.
+func Tunable[T any](x T) T {
+	return x
+}