Add maxnumber

testaufgaben/.gitignore

@@ -0,0 +1,14 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+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
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

testaufgaben/maxnumber/.gitignore

@@ -0,0 +1,14 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+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
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

testaufgaben/maxnumber/Cargo.toml

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

testaufgaben/maxnumber/src/main.rs

@@ -0,0 +1,11 @@
+use std::fmt::Error;
+
+fn main() -> Result<(), Error> {
+    let array = vec![1, 3, 3, 7];
+    
+    if let Some(max) = array.iter().max() {
+        println!("Max. number: {}", max);
+    }
+
+    Ok(())
+}