Control the flow

3 files changed, 90 insertions, 0 deletions

diff --git a/control-flow/.gitignore b/control-flow/.gitignore
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+++ b/control-flow/.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/control-flow/Cargo.toml b/control-flow/Cargo.toml
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+++ b/control-flow/Cargo.toml
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+[package]
+name = "control-flow"
+version = "0.1.0"
+authors = ["Jordan Gong <jordan.gong@protonmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/control-flow/src/main.rs b/control-flow/src/main.rs
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+++ b/control-flow/src/main.rs
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+fn main() {
+    /* if */
+    let number = 3;
+
+    if number < 5 {
+        println!("condition was true");
+    } else {
+        println!("condition was false");
+    }
+
+    let number = 6;
+
+    if number % 4 == 0 {
+        println!("number is divisible by 4");
+    } else if number % 3 == 0 {
+        println!("number is divisible by 3");
+    } else if number % 2 == 0 {
+        println!("number is divisible by 2");
+    } else {
+        println!("number is not divisible by 4, 3 or 2");
+    }
+
+    let condition = true;
+    let number = if condition { 5 } else { 6 };
+
+    println!("The value of number is: {}", number);
+
+    /* loop */
+    let mut counter = 0;
+
+    let result = loop {
+        counter += 1;
+
+        if counter == 10 {
+            break counter * 2;
+        }
+    };
+
+    println!("The result is: {}", result);
+
+    /* while */
+    let mut number = 3;
+
+    while number != 0 {
+        println!("{}!", number);
+
+        number -= 1;
+    }
+
+    println!("LIFTOFF!!!");
+
+    /* for */
+    let a = [10, 20, 30, 40, 50];
+
+    for element in a.iter() {
+        println!("the value is: {}", element);
+    }
+    
+    for number in (1..4).rev() {
+        println!("{}!", number);
+    }
+    println!("LIFTOFF!!!");
+}