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Diffstat (limited to 'References are also immutable by default.md')
| -rw-r--r-- | References are also immutable by default.md | 5 |
1 files changed, 5 insertions, 0 deletions
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)`. |