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authorHunter Kvalevog <hunter@kvog.sh>2026-10-02 21:53:51 -0500
committerHunter Kvalevog <hunter@kvog.sh>2026-10-02 21:53:51 -0500
commit4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 (patch)
tree17ba62056d6b691dd0217b0e8f1b3a5826dce0f6 /rust/rustlings/solutions/01_variables/variables2.rs
parent02d8f1c62896576e1266553a56980eddbc2a88d7 (diff)
rustlings: move to rust/
Diffstat (limited to 'rust/rustlings/solutions/01_variables/variables2.rs')
-rw-r--r--rust/rustlings/solutions/01_variables/variables2.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/rust/rustlings/solutions/01_variables/variables2.rs b/rust/rustlings/solutions/01_variables/variables2.rs
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+++ b/rust/rustlings/solutions/01_variables/variables2.rs
@@ -0,0 +1,16 @@
+fn main() {
+ // The easiest way to fix the compiler error is to initialize the
+ // variable `x`. By setting its value to an integer, Rust infers its type
+ // as `i32` which is the default type for integers.
+ let x = 42;
+
+ // But we can enforce a type different from the default `i32` by adding
+ // a type annotation:
+ // let x: u8 = 42;
+
+ if x == 10 {
+ println!("x is ten!");
+ } else {
+ println!("x is not ten!");
+ }
+}