// ## Expression-based programming
fn sqr(i: i32) -> i32 { i * i }
-// Conditionals are also just expressions. You can compare this to the ternary `? :` operator
+// Conditionals are also just expressions. This is comparable to the ternary `? :` operator
// from languages like C.
fn abs(i: i32) -> i32 { if i >= 0 { i } else { -i } }
}
}
+// It is even the case that blocks are expressions, evaluating to the last expression they contain.
+fn compute_stuff(x: i32) -> i32 {
+ let y = { let z = x*x; z + 14 };
+ y*y
+}
+
// Let us now refactor `vec_min`.
fn vec_min(v: Vec<i32>) -> NumberOrNothing {
fn min_i32(a: i32, b: i32) -> i32 {
// You will have to replace `part00` by `part01` in the `main` function in
// `main.rs` to run this code.
-// **Exercise 01.1**: Write a funtion `vec_sum` that computes the sum of all values of a `Vec<i32>`.
+// **Exercise 01.1**: Write a function `vec_sum` that computes the sum of all values of a `Vec<i32>`.
// **Exercise 01.2**: Write a function `vec_print` that takes a vector and prints all its elements.