Finished task2 until Restructuring

hw2/task2/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "task2"
+version = "0.1.0"
+authors = ["Joshua Rutschmann <joshua.rutschmann@gmx.de>"]
+
+[dependencies]

hw2/task2/src/main.rs

@@ -0,0 +1,69 @@
+use std::env;
+use std::process;
+
+/// a struct to hold all of our configuration
+#[derive(Debug,PartialEq)]
+struct Config{
+    search: char,
+    line: String,
+}
+
+fn main() {
+    let args = env::args().collect();
+    print_arguments(&args);
+    //let conf = parse_arguments_simple(&args);
+    let res = parse_arguments(&args);
+    match res {
+        Ok(conf) => println!("{:?}", conf),
+        Err(_) => process::exit(1),
+    }
+
+}
+
+fn run() {
+
+}
+
+/// Parses relevant arguments, returning the filled Config in Result
+///
+///
+/// This function will parse the relevant arguments from the
+/// given <Strings>.
+/// Returns Config or Error Message in Result
+fn parse_arguments(args: &Vec<String>) -> Result<Config, String> {
+
+    if args.len() < 3 {
+        return Err("not ennugh parameters".to_string());
+    }
+
+    if args[1].chars().nth(0) == None {
+        return Err("char mismatch".to_string());    
+    }
+
+    let config = Config{search: args[1].chars().nth(0).unwrap(), line: args[2].clone()};
+    Ok(config)
+}
+
+/// Parses relevant arguments, returning the filled Config
+///
+///
+/// This function will parse the relevant arguments from the
+/// given <Strings>.
+/// Returns Config
+#[allow(dead_code)]
+fn parse_arguments_simple(args: &Vec<String>) -> Config {
+    Config{search: args[1].chars().nth(0).unwrap(), line: args[2].clone()}
+}
+
+/// Prints elements of Vec
+///
+///
+/// This function will print all elements of Vec with "args found: <elem>" in
+/// each line
+///
+/// Returns nothing
+fn print_arguments(args: &Vec<String>) {
+    for s in args {
+        println!("args found: {}", s);
+    }
+}