From 9f815d7fd6283cedbc49e3e2e54b9a9deb4e3202 Mon Sep 17 00:00:00 2001
From: ysndr <me@ysndr.de>
Date: Thu, 10 Nov 2022 20:41:57 +0100
Subject: [PATCH 1/2] Impl unzip as fold

---
 src/process.rs | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/process.rs b/src/process.rs
index 988fc85f..bc67cd0b 100644
--- a/src/process.rs
+++ b/src/process.rs
@@ -20,16 +20,14 @@ impl Line {
         K: NumCast + Ord + Copy + Debug,
         V: NumCast + Copy + Debug,
     {
-        let (x, y) = hm
-            .into_iter()
-            .map(|(x, y)| {
-                let x = x.to_f64().ok_or(anyhow!("Failed casting {:?} to f64", x))?;
-                let y = y.to_f64().ok_or(anyhow!("Failed casting {:?} to f64", y))?;
-                Ok((x, y))
-            })
-            .collect::<Result<Vec<_>>>()?
-            .into_iter()
-            .unzip();
+        let (x, y) = hm.into_iter().try_fold(
+            (Vec::with_capacity(hm.len()), Vec::with_capacity(hm.len())),
+            |(mut xs, mut ys), (x, y)| {
+                xs.push(x.to_f64().ok_or(anyhow!("Failed casting {:?} to f64", x))?);
+                ys.push(y.to_f64().ok_or(anyhow!("Failed casting {:?} to f64", y))?);
+                anyhow::Ok((xs, ys))
+            },
+        )?;
 
         Ok(Line {
             label: label.into(),

From d8c52ebfbb89c00e606751a59de4a7951c72eedf Mon Sep 17 00:00:00 2001
From: Yannik Sander <accounts@ysndr.de>
Date: Tue, 15 Nov 2022 16:05:10 +0100
Subject: [PATCH 2/2] Update src/process.rs

Co-authored-by: Taeer Bar-Yam <Radvendii@users.noreply.github.com>
---
 src/process.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/process.rs b/src/process.rs
index bc67cd0b..eb8cd4d5 100644
--- a/src/process.rs
+++ b/src/process.rs
@@ -25,7 +25,7 @@ impl Line {
             |(mut xs, mut ys), (x, y)| {
                 xs.push(x.to_f64().ok_or(anyhow!("Failed casting {:?} to f64", x))?);
                 ys.push(y.to_f64().ok_or(anyhow!("Failed casting {:?} to f64", y))?);
-                anyhow::Ok((xs, ys))
+                Ok((xs, ys))
             },
         )?;