organizado en carpetas

curso_tinchicusls/format/Cargo.toml

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

curso_tinchicusls/format/src/main.rs

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+fn main() {
+    println!("Hello, world!");
+    let mut visual = format!("{} {}", 23, 89);
+    println!("{}", visual);
+    visual = format!("{} {1} {} {0}", "Hola", "Mundo");
+    println!("{}", visual);
+    visual = format!("{t} {a} {b} {a}", a = "Hola", b = "Mundo", t = 23);
+    println!("{}", visual);
+    visual = format!("{:.4}", 3.1415927);
+    println!("{}", visual);
+
+    let v1 = format!("{:.3}", 3.1415927);
+    let v2 = format!("{:b}", 55);
+    let v3 = format!("{:+}!", 5);
+    let v4 = format!("{:x}", 95);
+    let v5 = format!("{:#x}", 95);
+
+    println!("{}", v1);
+    println!("{}", v2);
+    println!("{}", v3);
+    println!("{}", v4);
+    println!("{}", v5);
+}