Added filename to top of .rs files

error_handling/errors1.rs

@@ -1,3 +1,4 @@
+// errors1.rs
 // This function refuses to generate text to be printed on a nametag if
 // you pass it an empty string. It'd be nicer if it explained what the problem
 // was, instead of just sometimes returning `None`. The 2nd test currently

error_handling/errors2.rs

@@ -1,3 +1,4 @@
+// errors2.rs
 // Say we're writing a game where you can buy items with tokens. All items cost
 // 5 tokens, and whenever you purchase items there is a processing fee of 1
 // token. A player of the game will type in how many items they want to buy,

error_handling/errors3.rs

@@ -1,3 +1,4 @@
+// errors3.rs
 // This is a program that is trying to use a completed version of the
 // `total_cost` function from the previous exercise. It's not working though--
 // we can't call the `try!` macro in the `main()` function! Why not?

error_handling/errorsn.rs

@@ -1,3 +1,4 @@
+// errorsn.rs
 // This is a bigger error exercise than the previous ones!
 // You can do it!
 //

error_handling/option1.rs

@@ -1,3 +1,4 @@
+// option1.rs
 // This example panics because the second time it calls `pop`, the `vec`
 // is empty, so `pop` returns `None`, and `unwrap` panics if it's called
 // on `None`. Handle this in a more graceful way than calling `unwrap`!

error_handling/result1.rs

@@ -1,3 +1,4 @@
+// result1.rs
 // Make this test pass! Scroll down for hints :)
 
 #[derive(PartialEq,Debug)]

ex1.rs

@@ -1,3 +1,4 @@
+// ex1.rs
 // Make me compile!
 
 fn main() {

ex2.rs

@@ -1,3 +1,4 @@
+// ex2.rs
 // Make me compile!
 
 fn something() -> String {

ex3.rs

@@ -1,3 +1,4 @@
+// ex3.rs
 // Make me compile!
 
 struct Foo {

ex4.rs

@@ -1,3 +1,4 @@
+// ex4.rs
 // Make me compile!
 
 fn something() -> Result<i32, std::num::ParseIntError> {

ex5.rs

@@ -1,3 +1,4 @@
+// ex5.rs
 // Make me compile!
 
 enum Reaction<'a> {

functions/functions1.rs

@@ -1,3 +1,4 @@
+// functions1.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

functions/functions2.rs

@@ -1,3 +1,4 @@
+// functions2.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

functions/functions3.rs

@@ -1,3 +1,4 @@
+// functions3.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

functions/functions4.rs

@@ -1,3 +1,4 @@
+// functions4.rs
 // Make me compile! Scroll down for hints :)
 
 // This store is having a sale where if the price is an even number, you get

functions/functions5.rs

@@ -1,3 +1,4 @@
+// functions5.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

if/if1.rs

@@ -1,3 +1,5 @@
+// if1.rs
+
 pub fn bigger(a: i32, b:i32) -> i32 {
     // Complete this function to return the bigger number!
     // Do not use:

macros/macros1.rs

@@ -1,3 +1,4 @@
+// macros1.rs
 // Make me compile! Scroll down for hints :)
 
 macro_rules! my_macro {

macros/macros2.rs

@@ -1,3 +1,4 @@
+// macros2.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

macros/macros3.rs

@@ -1,3 +1,4 @@
+// macros3.rs
 // Make me compile, without taking the macro out of the module! Scroll down for hints :)
 
 mod macros {

macros/macros4.rs

@@ -1,3 +1,4 @@
+// macros4.rs
 // Make me compile! Scroll down for hints :)
 
 macro_rules! my_macro {

modules/modules1.rs

@@ -1,3 +1,4 @@
+// modules1.rs
 // Make me compile! Scroll down for hints :)
 
 mod sausage_factory {

modules/modules2.rs

@@ -1,3 +1,4 @@
+// modules2.rs
 // Make me compile! Scroll down for hints :)
 
 mod us_presidential_frontrunners {

move_semantics/move_semantics1.rs

@@ -1,3 +1,4 @@
+// move_semantics1.rs
 // Make me compile! Scroll down for hints :)
 
 pub fn main() {

move_semantics/move_semantics2.rs

@@ -1,3 +1,4 @@
+// move_semantics2.rs
 // Make me compile without changing line 9! Scroll down for hints :)
 
 pub fn main() {

move_semantics/move_semantics3.rs

@@ -1,3 +1,4 @@
+// move_semantics3.rs
 // Make me compile without adding new lines-- just changing existing lines!
 // (no lines with multiple semicolons necessary!)
 // Scroll down for hints :)

move_semantics/move_semantics4.rs

@@ -1,3 +1,4 @@
+// move_semantics4.rs
 // Refactor this code so that instead of having `vec0` and creating the vector
 // in `fn main`, we instead create it within `fn fill_vec` and transfer the
 // freshly created vector from fill_vec to its caller. Scroll for hints!

primitive_types/primitive_types1.rs

@@ -1,3 +1,4 @@
+// primitive_types1.rs
 // Fill in the rest of the line that has code missing!
 // No hints, there's no tricks, just get used to typing these :)
 

primitive_types/primitive_types2.rs

@@ -1,3 +1,4 @@
+// primitive_types2.rs
 // Fill in the rest of the line that has code missing!
 // No hints, there's no tricks, just get used to typing these :)
 

primitive_types/primitive_types3.rs

@@ -1,3 +1,4 @@
+// primitive_types3.rs
 // Create an array with at least 100 elements in it where the ??? is. 
 // Scroll down for hints!
 

primitive_types/primitive_types4.rs

@@ -1,3 +1,4 @@
+// primitive_types4.rs
 // Get a slice out of Array a where the ??? is so that the `if` statement
 // returns true. Scroll down for hints!!
 

primitive_types/primitive_types5.rs

@@ -1,3 +1,4 @@
+// primitive_types5.rs
 // Destructure the `cat` tuple so that the println will work.
 // Scroll down for hints!
 

primitive_types/primitive_types6.rs

@@ -1,3 +1,4 @@
+// primitive_types6.rs
 // Use a tuple index to access the second element of `numbers`.
 // You can put this right into the `println!` where the ??? is.
 // Scroll down for hints!

standard_library_types/arc1.rs

@@ -1,3 +1,4 @@
+// arc1.rs
 // Make this code compile by filling in a value for `shared_numbers` where the
 // TODO comment is and creating an initial binding for `child_numbers`
 // somewhere. Try not to create any copies of the `numbers` Vec!

standard_library_types/iterator3.rs

@@ -1,3 +1,4 @@
+// iterator3.rs
 // This is a bigger exercise than most of the others! You can do it!
 // Here is your mission, should you choose to accept it:
 // 1. Complete the divide function to get the first four tests to pass

standard_library_types/iterators4.rs

@@ -1,3 +1,5 @@
+// iterators4.rs
+
 pub fn factorial(num: u64) -> u64 {
     // Complete this function to return factorial of num
     // Do not use:

strings/strings1.rs

@@ -1,3 +1,4 @@
+// strings1.rs
 // Make me compile without changing the function signature! Scroll down for hints :)
 
 fn main() {

strings/strings2.rs

@@ -1,3 +1,4 @@
+// strings2.rs
 // Make me compile without changing the function signature! Scroll down for hints :)
 
 fn main() {

strings/strings3.rs

@@ -1,3 +1,4 @@
+// strings3.rs
 // Ok, here are a bunch of values-- some are `Strings`, some are `&strs`. Your
 // task is to call one of these two functions on each value depending on what
 // you think each value is. That is, add either `string_slice` or `string`

tests/tests1.rs

@@ -1,3 +1,4 @@
+// tests1.rs
 // Tests are important to ensure that your code does what you think it should do.
 // Tests can be run on this file with the following command:
 // rustc --test tests1.rs

tests/tests2.rs

@@ -1,3 +1,4 @@
+// tests2.rs
 // This test has a problem with it -- make the test compile! Make the test
 // pass! Make the test fail! Scroll down for hints :)
 

tests/tests3.rs

@@ -1,3 +1,4 @@
+// tests3.rs
 // This test isn't testing our function -- make it do that in such a way that
 // the test passes. Then write a second test that tests that we get the result
 // we expect to get when we call `is_even(5)`. Scroll down for hints!

tests/tests4.rs

@@ -1,3 +1,4 @@
+// tests4.rs
 // This test isn't testing our function -- make it do that in such a way that
 // the test passes. Then write a second test that tests that we get the result
 // we expect to get when we call `times_two` with a negative number.

threads/threads1.rs

@@ -1,3 +1,4 @@
+// threads1.rs
 // Make this compile! Scroll down for hints :) The idea is the thread
 // spawned on line 17 is completing jobs while the main thread is
 // monitoring progress until 10 jobs are completed. If you see 6 lines

variables/variables1.rs

@@ -1,3 +1,4 @@
+// variables1.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

variables/variables2.rs

@@ -1,3 +1,4 @@
+// variables2.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

variables/variables3.rs

@@ -1,3 +1,4 @@
+// variables3.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {

variables/variables4.rs

@@ -1,3 +1,4 @@
+// variables4.rs
 // Make me compile! Scroll down for hints :)
 
 fn main() {