doc: remove trailing spaces from Guide
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@ -2021,7 +2021,7 @@ And trying it out:
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```{notrust,ignore}
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$ cargo build
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Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
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$ ./target/guessing_game
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$ ./target/guessing_game
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Guess the number!
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The secret number is: 57
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Please input your guess.
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@ -2292,7 +2292,7 @@ print an error message and return. Let's give this a shot:
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```{notrust,ignore}
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$ cargo build
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Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
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$ ./target/guessing_game
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$ ./target/guessing_game
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Guess the number!
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The secret number is: 17
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Please input your guess.
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@ -2358,11 +2358,11 @@ Let's try it!
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```{notrust,ignore}
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$ cargo build
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Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
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$ ./target/guessing_game
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$ ./target/guessing_game
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Guess the number!
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The secret number is: 58
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Please input your guess.
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76
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76
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You guessed: 76
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Too big!
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$
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@ -2436,7 +2436,7 @@ that `return`? If we give a non-number answer, we'll `return` and quit. Observe:
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```{notrust,ignore}
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$ cargo build
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Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
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$ ./target/guessing_game
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$ ./target/guessing_game
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Guess the number!
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The secret number is: 59
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Please input your guess.
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@ -2569,7 +2569,7 @@ Now we should be good! Let's try:
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```{rust,ignore}
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$ cargo build
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Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
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$ ./target/guessing_game
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$ ./target/guessing_game
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Guess the number!
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The secret number is: 61
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Please input your guess.
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@ -3718,18 +3718,18 @@ That's a lot to take in. It's also one of the _most_ important concepts in
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all of Rust. Let's see this syntax in action:
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```{rust}
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{
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{
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let x = 5i; // x is the owner of this integer, which is memory on the stack.
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// other code here...
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} // privilege 1: when x goes out of scope, this memory is deallocated
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/// this function borrows an integer. It's given back automatically when the
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/// function returns.
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fn foo(x: &int) -> &int { x }
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fn foo(x: &int) -> &int { x }
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{
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{
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let x = 5i; // x is the owner of this integer, which is memory on the stack.
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// privilege 2: you may lend that resource, to as many borrowers as you'd like
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@ -3739,14 +3739,14 @@ fn foo(x: &int) -> &int { x }
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foo(&x); // functions can borrow too!
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let a = &x; // we can do this alllllll day!
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}
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}
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{
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{
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let mut x = 5i; // x is the owner of this integer, which is memory on the stack.
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let y = &mut x; // privilege 3: you may lend that resource to a single borrower,
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// mutably
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}
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}
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```
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If you are a borrower, you get a few privileges as well, but must also obey a
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@ -4535,7 +4535,7 @@ let one_to_one_hundred = range(0i, 100i).collect();
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```
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As you can see, we call `collect()` on our iterator. `collect()` takes
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as many values as the iterator will give it, and returns a collection
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as many values as the iterator will give it, and returns a collection
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of the results. So why won't this compile? Rust can't determine what
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type of things you want to collect, and so you need to let it know.
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Here's the version that does compile:
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@ -5508,7 +5508,7 @@ fn main() {
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}
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```
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Whew! This isn't too terrible. You can see that we still `let x = 5i`,
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Whew! This isn't too terrible. You can see that we still `let x = 5i`,
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but then things get a little bit hairy. Three more bindings get set: a
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static format string, an argument vector, and the aruments. We then
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invoke the `println_args` function with the generated arguments.
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