From 017f2c52bf3222a6f567b64f6c4301e448ddd7a4 Mon Sep 17 00:00:00 2001
From: Ishan Jain <contact@ishanjain.me>
Date: Sat, 30 Jul 2022 21:50:02 +0530
Subject: [PATCH] Fix code according to clippy lints

---
 src/main.rs   | 3 +--
 src/varint.rs | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index a81e2ba..a84fa2b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -140,7 +140,7 @@ fn parse_page<'a>(
         BTreePage::InteriorTable => {
             let rows = cell_pointers
                 .into_iter()
-                .map(move |cp| {
+                .filter_map(move |cp| {
                     let stream = &database[table_page_offset + cp as usize..];
                     let left_child_id =
                         u32::from_be_bytes([stream[0], stream[1], stream[2], stream[3]]);
@@ -154,7 +154,6 @@ fn parse_page<'a>(
                         db_header.page_size as usize * (left_child_id as usize - 1),
                     )
                 })
-                .flatten()
                 .flatten();
 
             if let Some(rp) = page_header.right_most_pointer {
diff --git a/src/varint.rs b/src/varint.rs
index cbc9028..4c73b09 100644
--- a/src/varint.rs
+++ b/src/varint.rs
@@ -30,8 +30,7 @@ fn usable_value(usable_size: u8, byte: u8) -> u8 {
 fn read_usable_bytes(stream: &[u8]) -> Vec<u8> {
     let mut usable_bytes = vec![];
 
-    for i in 0..8 {
-        let byte = stream[i];
+    for &byte in stream.iter().take(8) {
         usable_bytes.push(byte);
         if starts_with_zero(byte) {
             break;