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update the Cargo.lock files
[rust-101.git]
/
workspace
/
src
/
part01.rs
diff --git
a/workspace/src/part01.rs
b/workspace/src/part01.rs
index 1b2460c9783c94d9a248710ec2a3aa4a5b0ca93e..be2c2d261c85bb18c73a7fda54f1abdae59aed2f 100644
(file)
--- a/
workspace/src/part01.rs
+++ b/
workspace/src/part01.rs
@@
-8,7
+8,7
@@
// ## Expression-based programming
fn sqr(i: i32) -> i32 { i * i }
// ## 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 } }
// from languages like C.
fn abs(i: i32) -> i32 { if i >= 0 { i } else { -i } }
@@
-24,6
+24,12
@@
fn number_or_default(n: NumberOrNothing, default: i32) -> i32 {
}
}
}
}
+// 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 {
// Let us now refactor `vec_min`.
fn vec_min(v: Vec<i32>) -> NumberOrNothing {
fn min_i32(a: i32, b: i32) -> i32 {
@@
-62,7
+68,7
@@
pub fn main() {
// You will have to replace `part00` by `part01` in the `main` function in
// `main.rs` to run this code.
// 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 fun
c
tion `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.
// **Exercise 01.2**: Write a function `vec_print` that takes a vector and prints all its elements.