---
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) source_iter([Persist(1), Persist(2), Persist(3), Persist(4), Delete(2)])
"/]:::pullClass
2v1[\"(2v1) persist_mut::<'static>()
"/]:::pullClass
3v1[/"(3v1) tee()
"\]:::pushClass
4v1[/"(4v1) for_each(|v| pull_tx.send(v).unwrap())
"\]:::pushClass
5v1[/"(5v1) flat_map(|x| if x == 3 { vec![Persist(x), Delete(x)] } else { vec![Persist(x)] })
"\]:::pushClass
6v1[\"(6v1) persist_mut::<'static>()
"/]:::pullClass
7v1[/"(7v1) for_each(|v| push_tx.send(v).unwrap())
"\]:::pushClass
8v1["(8v1) handoff
"]:::otherClass
9v1["(9v1) handoff
"]:::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 my_tee"]
1v1
end
end
subgraph sg_2v1 ["sg_2v1 stratum 1"]
2v1
3v1
4v1
5v1
subgraph sg_2v1_var_my_tee ["var my_tee"]
2v1
3v1
end
end
subgraph sg_3v1 ["sg_3v1 stratum 2"]
6v1
7v1
end