Initial commit

units/aggregator/aggregator.go

@@ -0,0 +1,22 @@
+package aggregator
+
+import (
+	"fmt"
+
+	"code.google.com/p/go.net/context"
+	"github.com/localhots/yeast/tools"
+	"github.com/localhots/yeast/units/power"
+)
+
+func Call(ctx context.Context) context.Context {
+	results := []string{}
+
+	tools.SyncronizeParallelChain(ctx, func(ctx context.Context) {
+		r := ctx.Value("power_result").(power.PowerResult)
+		results = append(results, fmt.Sprintf("%d ^ %d = %d", r.Num, r.Power, r.Result))
+	})
+
+	ctx = context.WithValue(ctx, "power_results", results)
+
+	return ctx
+}