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// test2.rs
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// test2.rs
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// This is a test for the following sections:
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// This is a test for the following sections:
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// - Tests
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// - Strings
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// This test isn't testing our function -- make it do that in such a way that
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// Ok, here are a bunch of values-- some are `Strings`, some are `&strs`. Your
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// the test passes. Then write a second test that tests that we get the result
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// task is to call one of these two functions on each value depending on what
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// we expect to get when we call `times_two` with a negative number.
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// you think each value is. That is, add either `string_slice` or `string`
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// No hints, you can do this :)
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// before the parentheses on each line. If you're right, it will compile!
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pub fn times_two(num: i32) -> i32 {
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fn string_slice(arg: &str) {
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num * 2
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println!("{}", arg);
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}
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fn string(arg: String) {
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println!("{}", arg);
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}
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}
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#[cfg(test)]
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fn main() {
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mod tests {
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("blue");
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use super::*;
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("red".to_string());
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(String::from("hi"));
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#[test]
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("rust is fun!".to_owned());
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fn returns_twice_of_positive_numbers() {
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("nice weather".into());
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assert_eq!(times_two(4), ???);
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(format!("Interpolation {}", "Station"));
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}
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(&String::from("abc")[0..1]);
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(" hello there ".trim());
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#[test]
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("Happy Monday!".to_string().replace("Mon", "Tues"));
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fn returns_twice_of_negative_numbers() {
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("mY sHiFt KeY iS sTiCkY".to_lowercase());
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// TODO write an assert for `times_two(-4)`
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}
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}
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}
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@ -1,28 +1,27 @@
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// strings3.rs
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// test3.rs
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// This is a test for the following sections:
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// This is a test for the following sections:
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// - Strings
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// - Tests
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// Ok, here are a bunch of values-- some are `Strings`, some are `&strs`. Your
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// This test isn't testing our function -- make it do that in such a way that
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// task is to call one of these two functions on each value depending on what
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// the test passes. Then write a second test that tests that we get the result
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// you think each value is. That is, add either `string_slice` or `string`
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// we expect to get when we call `times_two` with a negative number.
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// before the parentheses on each line. If you're right, it will compile!
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// No hints, you can do this :)
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fn string_slice(arg: &str) {
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pub fn times_two(num: i32) -> i32 {
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println!("{}", arg);
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num * 2
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}
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fn string(arg: String) {
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println!("{}", arg);
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}
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}
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fn main() {
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#[cfg(test)]
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("blue");
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mod tests {
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("red".to_string());
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use super::*;
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(String::from("hi"));
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("rust is fun!".to_owned());
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#[test]
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("nice weather".into());
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fn returns_twice_of_positive_numbers() {
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(format!("Interpolation {}", "Station"));
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assert_eq!(times_two(4), ???);
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(&String::from("abc")[0..1]);
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}
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(" hello there ".trim());
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("Happy Monday!".to_string().replace("Mon", "Tues"));
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#[test]
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("mY sHiFt KeY iS sTiCkY".to_lowercase());
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fn returns_twice_of_negative_numbers() {
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// TODO write an assert for `times_two(-4)`
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}
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}
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}
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34
info.toml
34
info.toml
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path = "exercises/structs/structs2.rs"
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path = "exercises/structs/structs2.rs"
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mode = "test"
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mode = "test"
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# STRINGS
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[[exercises]]
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path = "exercises/strings/strings1.rs"
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mode = "compile"
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[[exercises]]
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path = "exercises/strings/strings2.rs"
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mode = "compile"
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# TEST 2
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[[exercises]]
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path = "exercises/test2.rs"
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mode = "compile"
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# ENUMS
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# ENUMS
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[[exercises]]
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[[exercises]]
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path = "exercises/tests/tests3.rs"
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path = "exercises/tests/tests3.rs"
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mode = "test"
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mode = "test"
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# TEST 2
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[[exercises]]
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path = "exercises/test2.rs"
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mode = "test"
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# STRINGS
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[[exercises]]
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path = "exercises/strings/strings1.rs"
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mode = "compile"
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[[exercises]]
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path = "exercises/strings/strings2.rs"
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mode = "compile"
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# TEST 3
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# TEST 3
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[[exercises]]
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[[exercises]]
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path = "exercises/test3.rs"
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path = "exercises/test3.rs"
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mode = "compile"
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mode = "test"
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# MODULES
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# MODULES
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