Tweak example
diff --git a/example_test.go b/example_test.go
index 50f5fd1..d7b831a 100644
--- a/example_test.go
+++ b/example_test.go
@@ -13,6 +13,13 @@
Subtracts []int
}
+func (e simpleExpr) Equals() (total int) {
+ for _, i := range e.Adds { total += i }
+ for _, i := range e.Subtracts { total -= i }
+ if e.Multiplier != 0 { total *= e.Multiplier }
+ return
+}
+
// Start builder definition
type simpleExprBuilder builder.Builder
@@ -29,17 +36,13 @@
return builder.Append(b, "Subtracts", i).(simpleExprBuilder)
}
-func (b simpleExprBuilder) Equals() (total int) {
- e := builder.GetStruct(b).(simpleExpr)
- for _, i := range e.Adds { total += i }
- for _, i := range e.Subtracts { total -= i }
- if e.Multiplier != 0 { total *= e.Multiplier }
- return
+func (b simpleExprBuilder) Equals() int {
+ return builder.GetStruct(b).(simpleExpr).Equals()
}
-// SimpleExprBuilder is an "empty" builder
-var SimpleExprBuilder = builder.Register(
- simpleExprBuilder{}, simpleExpr{}).(simpleExprBuilder)
+// SimpleExprBuilder is an empty builder
+var SimpleExprBuilder =
+ builder.Register(simpleExprBuilder{}, simpleExpr{}).(simpleExprBuilder)
// End builder definition
@@ -49,9 +52,9 @@
// Intermediate values can be reused
b2 := b.Multiplier(2)
b3 := b.Multiplier(3)
-
+
fmt.Println(b.Equals(), b2.Equals(), b3.Equals())
// Output:
- // 7 14 21
+ // 7 14 21
}
