From 6680e6d2023f4b65c7d8dc3d7c140cb188adb271 Mon Sep 17 00:00:00 2001
From: seth <yesifan66@qq.com>
Date: Mon, 21 Jun 2021 18:23:05 +0800
Subject: [PATCH] complete: vec
---
exercises/collections/vec1.rs | 4 +---
exercises/collections/vec2.rs | 5 +----
2 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/exercises/collections/vec1.rs b/exercises/collections/vec1.rs
index b144fb9..0d4d542 100644
--- a/exercises/collections/vec1.rs
+++ b/exercises/collections/vec1.rs
@@ -4,11 +4,9 @@
// Make me compile and pass the test!
// Execute the command `rustlings hint vec1` if you need hints.
-// I AM NOT DONE
-
fn array_and_vec() -> ([i32; 4], Vec<i32>) {
let a = [10, 20, 30, 40]; // a plain array
- let v = // TODO: declare your vector here with the macro for vectors
+ let v: Vec<i32> = vec![10, 20, 30, 40];
(a, v)
}
diff --git a/exercises/collections/vec2.rs b/exercises/collections/vec2.rs
index 6595e40..ed105a8 100644
--- a/exercises/collections/vec2.rs
+++ b/exercises/collections/vec2.rs
@@ -7,12 +7,9 @@
// Execute the command `rustlings hint vec2` if you need
// hints.
-// I AM NOT DONE
-
fn vec_loop(mut v: Vec<i32>) -> Vec<i32> {
for i in v.iter_mut() {
- // TODO: Fill this up so that each element in the Vec `v` is
- // multiplied by 2.
+ *i*=2
}
// At this point, `v` should be equal to [4, 8, 12, 16, 20].