Add rustfmt.toml for longer lines

2020/01/src/main.rs

@@ -3,11 +3,7 @@ use itertools::Itertools;
 use std::io::BufRead;
 
 fn main() {
-    let input: Vec<usize> = std::io::stdin()
-        .lock()
-        .lines()
-        .filter_map(|l| l.unwrap().parse().ok())
-        .collect();
+    let input: Vec<usize> = std::io::stdin().lock().lines().filter_map(|l| l.unwrap().parse().ok()).collect();
     let p1 = input
         .iter()
         .tuple_combinations()

2020/rustfmt.toml

@@ -0,0 +1,7 @@
+newline_style = "Unix"
+max_width = 140
+imports_layout = "Horizontal"
+merge_imports = true
+struct_field_align_threshold = 25
+where_single_line = true
+edition = "2018"