From c3b04be87286171b422d6cbbc96ad9e28f672dd9 Mon Sep 17 00:00:00 2001
From: Rendo <geometicalplayer@gmail.com>
Date: Sat, 8 Nov 2025 20:50:22 +0500
Subject: [PATCH] children count

---
 src/node/mod.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/node/mod.rs b/src/node/mod.rs
index 987440a..c73ec60 100644
--- a/src/node/mod.rs
+++ b/src/node/mod.rs
@@ -8,6 +8,7 @@ mod node_modifier;
 pub struct Node {
     children: Vec<Node>,
     handler: NodeHandler,
+    max_children_count: Option<usize>,
 }
 
 impl Node {
@@ -35,18 +36,21 @@ impl Node {
         Node {
             children: vec![],
             handler: NodeHandler::Number { number: n },
+            max_children_count: None,
         }
     }
     pub fn function(func: fn(Vec<f64>) -> f64) -> Node {
         Node {
             children: vec![],
             handler: NodeHandler::Function { function: func },
+            max_children_count: Some(1),
         }
     }
     pub fn variable(getter: fn() -> f64) -> Node {
         Node {
             children: vec![],
             handler: NodeHandler::Variable { getter },
+            max_children_count: Some(0),
         }
     }
 }