From 931eb0894e7cd3717f1218f0eb06382b11734c13 Mon Sep 17 00:00:00 2001 From: Jasper Ras Date: Sun, 3 Aug 2025 22:29:47 +0200 Subject: vault backup: 2025-08-03 22:29:47 --- References are also immutable by default.md | 5 +++++ 1 file changed, 5 insertions(+) create mode 100644 References are also immutable by default.md (limited to 'References are also immutable by default.md') diff --git a/References are also immutable by default.md b/References are also immutable by default.md new file mode 100644 index 0000000..f434b63 --- /dev/null +++ b/References are also immutable by default.md @@ -0,0 +1,5 @@ +[[Rust]] + +--- + +Because references are also immutable by default, if we would declare a variable mutable such as `let mut guess = String::new();` and we were to pass a references to guess to another function, we must place the `mut` keyword there as well as such: `read_line(&mut guess)` rather than just `read_line(&guess)`. -- cgit v1.2.3