turn value_vec_to_tuple into a Trait

src/function.rs

@@ -363,7 +363,7 @@ impl FunctionEntry {
 		assert!(self.output.back.is_some());
 		let back_data = self.output.back.as_ref().unwrap().clone();
 		assert_eq!(back_data.len(), settings.pixel_width + 1);
-		let back_vec_tuple = value_vec_to_tuple(back_data);
+		let back_vec_tuple = back_data.to_tuple();
 		assert_eq!(back_vec_tuple, back_target);
 
 		assert_eq!(integral_enabled, self.integral);

src/misc.rs

@@ -16,6 +16,17 @@ where
 	input.par_iter()
 }
 
+pub trait VecValueToTuple {
+	fn to_tuple(&self) -> Vec<(f64, f64)>;
+}
+
+impl VecValueToTuple for Vec<EguiValue>
+where
+	Self: IntoIterator,
+{
+	fn to_tuple(&self) -> Vec<(f64, f64)> { self.iter().map(|ele| (ele.x, ele.y)).collect() }
+}
+
 /// `SteppedVector` is used in order to efficiently sort through an ordered
 /// `Vec<f64>` Used in order to speedup the processing of cached data when
 /// moving horizontally without zoom in `FunctionEntry`. Before this struct, the
@@ -270,13 +281,6 @@ pub fn step_helper(max_i: usize, min_x: f64, step: f64) -> Vec<f64> {
 		.collect()
 }
 
-/// Extracts x and y values from `egui::plot::Value` in `data`. Returns
-/// `Vec<(f64, f64)>`
-#[allow(dead_code)]
-pub fn value_vec_to_tuple(data: Vec<EguiValue>) -> Vec<(f64, f64)> {
-	data.iter().map(|ele| (ele.x, ele.y)).collect()
-}
-
 #[cfg(test)]
 mod tests {
 	use super::*;