import (
    "context"
    feast "github.com/gojek/feast/sdk/go"
)

func main() {
    cli, err := feast.NewGrpcClient("localhost", 6565)
    if err != nil {
        panic(err)
    }
    
    ctx := context.Background()
    req := feast.OnlineFeaturesRequest{
        Features: []string{"my_project_1/feature1:1", "my_project_2/feature1:1", "my_project_4/feature3", "feature2:2", "feature2"},
        Entities: []feast.Row{
            {"entity1": feast.Int64Val(1), "entity2": feast.StrVal("bob")},
            {"entity1": feast.Int64Val(1), "entity2": feast.StrVal("annie")},
            {"entity1": feast.Int64Val(1), "entity2": feast.StrVal("jane")},
        },
        Project: "my_project_3",
    }

    resp, err := cli.GetOnlineFeatures(ctx, &req)
    if err != nil {
        panic(err)
    }

    // returns a list of rows (map[string]featureValue)
    out := resp.Rows()
}

arr, err := resp.Int64Arrays(
    []string{"my_project_1/feature1:1", 
            "my_project_2/feature1:1", 
            "my_project_4/feature3", 
            "feature2:2", 
            "feature2"},             // order of features
    []int64{1,2,3,4,5})              // fillNa values