---
source: hydroflow/tests/surface_codegen.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>union()</code>"/]:::pullClass
2v1[/"(2v1) <code>for_each(|v| out_send.send(v).unwrap())</code>"\]:::pushClass
3v1[\"(3v1) <code>source_iter([1])</code>"/]:::pullClass
4v1[\"(4v1) <code>source_iter([2])</code>"/]:::pullClass
1v1-->2v1
3v1-->|0|1v1
4v1-->|1|1v1
subgraph sg_1v1 ["sg_1v1 stratum 0"]
    3v1
    4v1
    1v1
    2v1
    subgraph sg_1v1_var_m ["var <tt>m</tt>"]
        1v1
        2v1
    end
end