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authormo8it <mo8it@proton.me>2024-07-05 13:39:50 +0200
committermo8it <mo8it@proton.me>2024-07-05 13:39:50 +0200
commit7123c7ae3a9605fbe962e4ef0a0f1424cd16fef8 (patch)
treec67f7e62bb9a179ae4fdbab492501cb6847e64c7 /solutions/01_variables/variables3.rs
parent77b687d501771c24bd83294d97b8e6f9ffa92d6b (diff)
parent4d9c346a173bb722b929f3ea3c00f84954483e24 (diff)
Merge remote-tracking branch 'upstream/main' into fix-enum-variant-inconsistency
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1 files changed, 15 insertions, 0 deletions
diff --git a/solutions/01_variables/variables3.rs b/solutions/01_variables/variables3.rs
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+#![allow(clippy::needless_late_init)]
+
+fn main() {
+ // Reading uninitialized variables isn't allowed in Rust!
+ // Therefore, we need to assign a value first.
+ let x: i32 = 42;
+
+ println!("Number {x}");
+
+ // It is possible to declare a variable and initialize it later.
+ // But it can't be used before initialization.
+ let y: i32;
+ y = 42;
+ println!("Number {y}");
+}