Play around with variables

3 files changed, 43 insertions, 0 deletions

diff --git a/variables/.gitignore b/variables/.gitignore
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+++ b/variables/.gitignore
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+
+# Created by https://www.toptal.com/developers/gitignore/api/rust
+# Edit at https://www.toptal.com/developers/gitignore?templates=rust
+
+### Rust ###
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# End of https://www.toptal.com/developers/gitignore/api/rust
+
diff --git a/variables/Cargo.toml b/variables/Cargo.toml
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+++ b/variables/Cargo.toml
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+[package]
+name = "variables"
+version = "0.1.0"
+authors = ["jordan"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/variables/src/main.rs b/variables/src/main.rs
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+++ b/variables/src/main.rs
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+fn main() {
+    /* mutability */
+    let mut x = 5;
+    println!("The variable of x is: {}", x);
+    x = 6;
+    println!("The variable of x is: {}", x);
+
+    /* shadowing */
+    let x = 5;
+
+    let x = x + 1;
+
+    let x = x * 2;
+
+    println!("The value of x is: {}", x);
+}