---
source: hydroflow/tests/surface_join_fused.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([(7, 1), (7, 2)])</code>"/]:::pullClass
2v1[\"(2v1) <code>map(|(k, v)| (k, SetUnionSingletonSet::new_from(v)))</code>"/]:::pullClass
3v1[\"(3v1) <code>source_iter([(7, 0)])</code>"/]:::pullClass
4v1[\"(4v1) <code>source_iter([(7, 1)])</code>"/]:::pullClass
5v1[\"(5v1) <code>defer_tick()</code>"/]:::pullClass
6v1[\"(6v1) <code>source_iter([(7, 2)])</code>"/]:::pullClass
7v1[\"(7v1) <code>defer_tick()</code>"/]:::pullClass
8v1[\"(8v1) <code>defer_tick()</code>"/]:::pullClass
9v1[\"(9v1) <code>union()</code>"/]:::pullClass
10v1[\"(10v1) <code>join_fused_rhs(Fold(SetUnionHashSet::default, Merge::merge))</code>"/]:::pullClass
11v1[/"<div style=text-align:center>(11v1)</div> <code>for_each(|x| {<br>    results_inner.borrow_mut().entry(context.current_tick()).or_default().push(x)<br>})</code>"\]:::pushClass
12v1["(12v1) <code>handoff</code>"]:::otherClass
13v1["(13v1) <code>handoff</code>"]:::otherClass
14v1["(14v1) <code>handoff</code>"]:::otherClass
15v1["(15v1) <code>handoff</code>"]:::otherClass
16v1[\"(16v1) <code>identity()</code>"/]:::pullClass
17v1["(17v1) <code>handoff</code>"]:::otherClass
18v1[\"(18v1) <code>identity()</code>"/]:::pullClass
19v1["(19v1) <code>handoff</code>"]:::otherClass
20v1[\"(20v1) <code>identity()</code>"/]:::pullClass
21v1["(21v1) <code>handoff</code>"]:::otherClass
2v1-->12v1
1v1-->2v1
3v1-->9v1
5v1-->9v1
4v1-->13v1
8v1-->9v1
7v1-->14v1
6v1-->15v1
9v1-->|0|10v1
10v1-->11v1
12v1--x|1|10v1; linkStyle 10 stroke:red
13v1-->16v1
14v1-->18v1
15v1-->20v1
16v1-->17v1
17v1--o5v1; linkStyle 15 stroke:red
18v1-->19v1
19v1--o8v1; linkStyle 17 stroke:red
20v1-->21v1
21v1--o7v1; linkStyle 19 stroke:red
subgraph sg_1v1 ["sg_1v1 stratum 0"]
    1v1
    2v1
end
subgraph sg_2v1 ["sg_2v1 stratum 0"]
    4v1
end
subgraph sg_3v1 ["sg_3v1 stratum 0"]
    6v1
end
subgraph sg_4v1 ["sg_4v1 stratum 0"]
    7v1
end
subgraph sg_5v1 ["sg_5v1 stratum 1"]
    3v1
    5v1
    8v1
    9v1
    10v1
    11v1
    subgraph sg_5v1_var_my_join ["var <tt>my_join</tt>"]
        10v1
        11v1
    end
    subgraph sg_5v1_var_unioner ["var <tt>unioner</tt>"]
        9v1
    end
end
subgraph sg_6v1 ["sg_6v1 stratum 2"]
    16v1
end
subgraph sg_7v1 ["sg_7v1 stratum 2"]
    18v1
end
subgraph sg_8v1 ["sg_8v1 stratum 2"]
    20v1
end