X-Git-Url: https://git.ralfj.de/rust-101.git/blobdiff_plain/a115b75de6e7e85f8799a77e2998ab1a24743e06..29958c0fd33c5e714b52bed79a1832113c43b8d8:/src/part00.rs diff --git a/src/part00.rs b/src/part00.rs index ed76e81..cd1e7cc 100644 --- a/src/part00.rs +++ b/src/part00.rs @@ -35,8 +35,7 @@ fn vec_min(vec: Vec) -> NumberOrNothing { //@ immutable per default, and you need to tell Rust if you want //@ to change a variable later. - // Now we want to *iterate* over the list. Rust has some nice syntax for - // iterators: + // Now we want to *iterate* over the list. Rust has some nice syntax for iterators: for el in vec { // So `el` is al element of the list. We need to update `min` accordingly, but how do we get the current // number in there? This is what pattern matching can do: @@ -85,8 +84,8 @@ fn read_vec() -> Vec { // Finally, let's call our functions and run the code! // But, wait, we would like to actually see something, so we need to print the result. -// Of course Rust can print numbers, but after calling `vec_min`, we have a `NumberOrNothing`. -// So let's write a small helper function that prints such values. +//@ Of course Rust can print numbers, but after calling `vec_min`, we have a `NumberOrNothing`. +//@ So let's write a small helper function that prints such values. //@ `println!` is again a macro, where the first argument is a *format string*. For //@ now, you just need to know that `{}` is the placeholder for a value, and that Rust