add docs about old way of specifying defaults

alexflint · Oct 22, 2019 · e0fc08f · e0fc08f
1 parent 7ac060a
commit e0fc08f
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -148,6 +148,17 @@ var args struct {
 arg.MustParse(&args)
 ```
 
+### Default values (before v1.2)
+
+```go
+var args struct {
+	Foo string
+	Bar bool
+}
+arg.Foo = "abc"
+arg.MustParse(&args)
+```
+
 ### Arguments with multiple values
 ```go
 var args struct {