I begin create a Graph structure

.gitignore

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+/target

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/untitled.iml" filepath="$PROJECT_DIR$/.idea/untitled.iml" />
+    </modules>
+  </component>
+</project>

.idea/untitled.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="EMPTY_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "untitled"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "untitled"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

src/main.rs

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+mod graph {
+
+    use std::collections::{HashMap, HashSet};
+    use std::vec::Vec;
+
+    pub struct Graph {
+        frame_graph : HashMap<u32, Vec<u32>>,
+        flags_graph : HashSet<(u32, bool)>
+    }
+
+    impl Graph {
+
+        pub fn new() -> Graph {
+            Graph{
+                frame_graph : HashMap::new(),
+                flags_graph : HashSet::new(),
+            }
+        }
+
+        pub fn add(&mut self, parent : u32, children : Vec<u32>){
+
+            self.frame_graph.insert(parent, children);
+            self.flags_graph.insert((parent, false));
+            for &i in self.frame_graph.get(&parent).unwrap() {
+                self.flags_graph.insert((i, false));
+            }
+
+        }
+
+        pub fn get(&self) -> &Graph {
+            self.clone()
+        }
+
+    }
+}
+
+mod new_class{
+
+    use super::graph;
+
+}
+
+
+fn main(){
+
+    use crate::graph::Graph;
+
+    let mut graph : Graph = Graph::new();
+    graph.add(1, vec![2, 3, 4]);
+    graph.add(2, vec![9, 7, 6, 1]);
+    graph.add(6, vec![12, 11, 19]);
+
+}