---
source: hydroflow/tests/surface_singleton.rs
expression: "df.meta_graph().unwrap().to_mermaid(& Default :: default())"
---
%%{init:{'theme':'base','themeVariables':{'clusterBkg':'#ddd','clusterBorder':'#888'}}}%%
flowchart TD
classDef pullClass fill:#8af,stroke:#000,text-align:left,white-space:pre
classDef pushClass fill:#ff8,stroke:#000,text-align:left,white-space:pre
classDef otherClass fill:#fdc,stroke:#000,text-align:left,white-space:pre
linkStyle default stroke:#aaa
1v1[\"(1v1) <code>source_iter(15..=25)</code>"/]:::pullClass
2v1[\"(2v1) <code>map(Max::new)</code>"/]:::pullClass
3v1[/"(3v1) <code>state::&lt;'static, Max&lt;_&gt;&gt;()</code>"\]:::pushClass
1v1-->2v1
2v1-->3v1
subgraph sg_1v1 ["sg_1v1 stratum 0"]
    1v1
    2v1
    3v1
    subgraph sg_1v1_var_max_of_stream2 ["var <tt>max_of_stream2</tt>"]
        3v1
    end
    subgraph sg_1v1_var_stream2 ["var <tt>stream2</tt>"]
        1v1
        2v1
    end
end