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-rw-r--r--rust.html.markdown9
1 files changed, 9 insertions, 0 deletions
diff --git a/rust.html.markdown b/rust.html.markdown
index 6b75fa87..71bc16b5 100644
--- a/rust.html.markdown
+++ b/rust.html.markdown
@@ -41,6 +41,7 @@ Rust not only fast, but also easy and efficient to code in.
// 1. Basics //
///////////////
+#[allow(dead_code)]
// Functions
// `i32` is the type for 32-bit signed integers
fn add2(x: i32, y: i32) -> i32 {
@@ -48,6 +49,9 @@ fn add2(x: i32, y: i32) -> i32 {
x + y
}
+#[allow(unused_variables)]
+#[allow(unused_assignments)]
+#[allow(dead_code)]
// Main function
fn main() {
// Numbers //
@@ -256,11 +260,16 @@ fn main() {
// `while` loop
while 1 == 1 {
println!("The universe is operating normally.");
+ // break statement gets out of the while loop.
+ // It avoids useless iterations.
+ break
}
// Infinite loop
loop {
println!("Hello!");
+ // break statement gets out of the loop
+ break
}
/////////////////////////////////