---
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[\"<div style=text-align:center>(10v1)</div> <code>join_fused(<br>    Fold(SetUnionHashSet::default, Merge::merge),<br>    Reduce(std::ops::AddAssign::add_assign),<br>)</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>handoff</code>"]:::otherClass
17v1[\"(17v1) <code>identity()</code>"/]:::pullClass
18v1["(18v1) <code>handoff</code>"]:::otherClass
19v1[\"(19v1) <code>identity()</code>"/]:::pullClass
20v1["(20v1) <code>handoff</code>"]:::otherClass
21v1[\"(21v1) <code>identity()</code>"/]:::pullClass
22v1["(22v1) <code>handoff</code>"]:::otherClass
2v1-->12v1
1v1-->2v1
3v1-->9v1
5v1-->9v1
4v1-->13v1
8v1-->9v1
7v1-->14v1
6v1-->15v1
9v1-->16v1
10v1-->11v1
12v1--x|0|10v1; linkStyle 10 stroke:red
13v1-->17v1
14v1-->19v1
15v1-->21v1
16v1--x|1|10v1; linkStyle 14 stroke:red
17v1-->18v1
18v1--o5v1; linkStyle 16 stroke:red
19v1-->20v1
20v1--o8v1; linkStyle 18 stroke:red
21v1-->22v1
22v1--o7v1; linkStyle 20 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 0"]
    3v1
    5v1
    8v1
    9v1
    subgraph sg_5v1_var_unioner ["var <tt>unioner</tt>"]
        9v1
    end
end
subgraph sg_6v1 ["sg_6v1 stratum 1"]
    10v1
    11v1
    subgraph sg_6v1_var_my_join ["var <tt>my_join</tt>"]
        10v1
        11v1
    end
end
subgraph sg_7v1 ["sg_7v1 stratum 2"]
    17v1
end
subgraph sg_8v1 ["sg_8v1 stratum 2"]
    19v1
end
subgraph sg_9v1 ["sg_9v1 stratum 2"]
    21v1
end