initial commit

Author: cuadros-code

.gitignore

@@ -0,0 +1 @@
+/target

Cargo.lock

@@ -0,0 +1,8 @@
+[package]
+name = "control_flows"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

Cargo.toml

@@ -0,0 +1,47 @@
+
+pub fn if_let_while_let() {
+
+  let edad: Option<i32> = Some(23);
+
+  // match
+  match edad {
+    Some(value) => println!("Edad: {} ", value),
+    _ => ()
+  }
+
+  // if let
+  if let Some(value) = edad {
+      println!("Edad: {}", value);
+  }
+
+  // while let 
+
+  let mut mss = Some(10);
+  
+  loop {
+      match mss {
+        Some(value) => {
+          if value > 0 {
+            println!("Mensaje sin leer");
+            mss = Some(value - 1);
+          } else{
+            println!("No hay mensajes");
+            mss = None;
+          }
+        },
+        _ => { break; }
+      };
+  }
+
+  while let Some(value) = mss {
+    if value > 0 {
+      println!("Mensaje sin leer");
+      mss = Some(value - 1);
+    } else{
+      println!("No hay mensajes");
+      mss = None;
+    }
+  }
+
+  
+}

src/if_let_while_let.rs

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+
+
+pub fn if_while_loops() {
+  
+  // Flujos de control
+  if true {
+      println!("True");
+  } else if false {
+      println!("False");
+  } else {
+      println!("Nada");
+  }
+
+  let result = if 1 > 2 { 10 } else { 5 };
+  println!("result {}", result);
+
+
+  // Loops
+  let mut number = 0;
+  let rest = loop {
+      println!("Loop");
+      
+      number += 1;
+
+      if number == 10 {
+          break number
+      }
+  };
+
+  println!("loop return {}", rest);
+
+
+  // While
+  while number > 0 {
+      println!("While");
+      number -= 1;
+  }
+
+
+  // For
+  for item in [1, 2, 3].iter() {
+      println!("Array {}", item);
+  }
+
+  for item in 0..5 {
+      println!("Array {}", item);
+  }
+
+
+}

src/if_while_loops.rs

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+mod if_while_loops;
+mod if_let_while_let;
+
+fn main() {
+    
+    // Flujos de control
+    if_while_loops::if_while_loops();
+
+
+    if_let_while_let::if_let_while_let();
+}