slices

README.md

@@ -5,4 +5,5 @@ https://tinchicus.com/2022/09/26/rust-listado-del-curso-inicial/
 - https://tinchicus.com/2022/06/06/rust-arrays/ (arreglos)
 - https://tinchicus.com/2022/06/07/rust-vector/ (vectores)
 - https://tinchicus.com/2022/06/08/rust-tuple/ (tupla)
-- https://tinchicus.com/2022/06/09/rust-hash-map/ (mapeo)
+- https://tinchicus.com/2022/06/09/rust-hash-map/ (mapeo)
+- https://tinchicus.com/2022/06/10/rust-slice/ (slices)

slices/Cargo.toml

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

slices/src/main.rs

@@ -0,0 +1,16 @@
+fn primera_palabra(s: &String) -> usize {
+    let b=s.as_bytes();
+    for (i,&item) in b.iter().enumerate() {
+        if item == b' ' {
+            return i
+        }
+    }
+    s.len()
+}
+
+fn main() {
+    let s = String::from("Hola Mundo Cruel");
+	let pos=primera_palabra(&s);
+	let palabra=&s[0..pos];
+	println!("{}",palabra)
+}