Fix indexing the correct vec

Due to most test using square planes it didn't have much effect till
debugging Display trait cropped printing.
The effect of this bug was that the universe was cropped to match the
height length but calculations were not wrong, just cropped

1 files changed, 2 insertions, 2 deletions

diff --git a/CLI/rust/src/game_of_life/simulation/universe.rs b/CLI/rust/src/game_of_life/simulation/universe.rs
index dab1915..6059dc6 100644
--- a/CLI/rust/src/game_of_life/simulation/universe.rs
+++ b/CLI/rust/src/game_of_life/simulation/universe.rs
@@ -82,7 +82,7 @@ mod display {
 impl Index<isize> for Universe {
     type Output = Plane<bool>;
     fn index(&self, idx: isize) -> &Plane<bool> {
-        let len = self.current.0.len() as isize;
+        let len = self.current.len() as isize;
         &self.current[circular_index(idx, len) as isize]
     }
 }
@@ -170,7 +170,7 @@ impl Universe {
     /// set the current state to the next future generation
     pub(crate) fn evolve(mut self) -> Self {
         for row in 0..self.current.len() {
-            for col in 0..self.current.0.len() as isize {
+            for col in 0..self.current[row].len() as isize {
                 let living_neighbors = self
                     .neighbors(row, col)
                     .iter()