---
source: hydroflow/tests/surface_persist.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([Persist(1, 1), Persist(2, 2), Persist(3, 3), Persist(4, 4), Delete(2)])</code>"/]:::pullClass
2v1[\"(2v1) <code>persist_mut_keyed::&lt;'static&gt;()</code>"/]:::pullClass
3v1[/"(3v1) <code>tee()</code>"\]:::pushClass
4v1[/"(4v1) <code>for_each(|(_k, v)| pull_tx.send(v).unwrap())</code>"\]:::pushClass
5v1[/"<div style=text-align:center>(5v1)</div> <code>flat_map(|(k, v)| {<br>    if v == 3 { vec![Persist(k, v), Delete(k)] } else { vec![Persist(k, v)] }<br>})</code>"\]:::pushClass
6v1[\"(6v1) <code>persist_mut_keyed::&lt;'static&gt;()</code>"/]:::pullClass
7v1[/"(7v1) <code>for_each(|(_k, v)| push_tx.send(v).unwrap())</code>"\]:::pushClass
8v1["(8v1) <code>handoff</code>"]:::otherClass
9v1["(9v1) <code>handoff</code>"]:::otherClass
2v1-->3v1
1v1-->8v1
3v1-->4v1
6v1-->7v1
5v1-->9v1
3v1-->5v1
8v1--x2v1; linkStyle 6 stroke:red
9v1--x6v1; linkStyle 7 stroke:red
subgraph sg_1v1 ["sg_1v1 stratum 0"]
    1v1
    subgraph sg_1v1_var_my_tee ["var <tt>my_tee</tt>"]
        1v1
    end
end
subgraph sg_2v1 ["sg_2v1 stratum 1"]
    2v1
    3v1
    4v1
    5v1
    subgraph sg_2v1_var_my_tee ["var <tt>my_tee</tt>"]
        2v1
        3v1
    end
end
subgraph sg_3v1 ["sg_3v1 stratum 2"]
    6v1
    7v1
end