nvim/plugin: add BenchmarkEval

Signed-off-by: Koichi Shiraishi <[email protected]>

Author: zchee

nvim/plugin/plugin_bench_test.go

@@ -0,0 +1,22 @@
+package plugin
+
+import (
+	"testing"
+)
+
+var evalString string
+
+func BenchmarkEval(b *testing.B) {
+	fn := func(x *struct {
+		X  int    `eval:"1"`
+		YY string `eval:"'hello'" msgpack:"Y"`
+		Z  int
+	}) {
+	}
+
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		evalString = eval("*", fn)
+	}
+}