remove workspace from the repository, instead generate a zipfile to upload

[rust-101.git] / workspace / src / part00.rs

diff --git a/workspace/src/part00.rs b/workspace/src/part00.rs
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-// Rust-101, Part 00: Algebraic datatypes
-// ======================================
-
-// As our first piece of Rust code, we want to write a function that computes the
-// minimum of a list.
-
-
-// An `enum` for "a number or nothing" could look as follows:
-enum NumberOrNothing {
-    Number(i32),
-    Nothing
-}
-
-// Observe how in Rust, the return type comes *after* the arguments.
-fn vec_min(vec: Vec<i32>) -> NumberOrNothing {
-    let mut min = NumberOrNothing::Nothing;
-
-    // Now we want to *iterate* over the list. Rust has some nice syntax for iterators:
-    for el in vec {
-        // So `el` is an 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:
-        match min {
-            // In this case (*arm*) of the `match`, `min` is currently nothing, so let's just make it the number `el`.
-            NumberOrNothing::Nothing => {
-                unimplemented!()
-            },
-            // In this arm, `min` is currently the number `n`, so let's compute the new minimum and store it.
-            NumberOrNothing::Number(n) => {
-                unimplemented!()
-            }
-        }
-    }
-    // Finally, we return the result of the computation.
-    return min;
-}
-
-// Now that we reduced the problem to computing the minimum of two integers, let's do that.
-fn min_i32(a: i32, b: i32) -> i32 {
-    if a < b {
-        unimplemented!()
-    } else {
-        unimplemented!()
-    }
-}
-
-// Phew. We wrote our first Rust function! But all this `NumberOrNothing::` is getting kind of
-// ugly. Can't we do that nicer?
-
-// Indeed, we can: The following line tells Rust to take
-// the constructors of `NumberOrNothing` into the local namespace.
-// Try moving that above the function, and removing all the occurrences of `NumberOrNothing::`.
-use self::NumberOrNothing::{Number,Nothing};
-
-// To call this function, we now just need a list. Of course, ultimately we want to ask the user for
-// a list of numbers, but for now, let's just hard-code something.
-
-fn read_vec() -> Vec<i32> {
-    unimplemented!()
-}
-
-// Of course, we would also like to actually see the result of the computation, so we need to print the result.
-
-fn print_number_or_nothing(n: NumberOrNothing) {
-    unimplemented!()
-}
-
-// Putting it all together:
-pub fn main() {
-    let vec = read_vec();
-    let min = vec_min(vec);
-    print_number_or_nothing(min);
-}
-
-// Finally, try `cargo run` on the console to run it.
-
-