issue-433 Address review comments: avoid indexing the map twice
issue-433 Address review comments: avoid indexing the map twice

sbarzowski/go-jsonnet,sbarzowski/go-jsonnet,google/go-jsonnet,google/go-jsonnet,google/go-jsonnet,google/go-jsonnet,google/go-jsonnet,sbarzowski/go-jsonnet,sbarzowski/go-jsonnet,sbarzowski/go-jsonnet