strings done
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da76123b1f
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@ -5,7 +5,6 @@
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// Execute `rustlings hint strings1` or use the `hint` watch subcommand for a
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// Execute `rustlings hint strings1` or use the `hint` watch subcommand for a
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// hint.
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// hint.
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// I AM NOT DONE
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fn main() {
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fn main() {
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let answer = current_favorite_color();
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let answer = current_favorite_color();
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@ -13,5 +12,5 @@ fn main() {
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}
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}
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fn current_favorite_color() -> String {
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fn current_favorite_color() -> String {
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"blue"
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"blue".to_string()
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}
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}
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@ -5,11 +5,10 @@
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// Execute `rustlings hint strings2` or use the `hint` watch subcommand for a
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// Execute `rustlings hint strings2` or use the `hint` watch subcommand for a
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// hint.
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// hint.
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// I AM NOT DONE
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fn main() {
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fn main() {
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let word = String::from("green"); // Try not changing this line :)
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let word = String::from("green"); // Try not changing this line :)
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if is_a_color_word(word) {
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if is_a_color_word(&word) {
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println!("That is a color word I know!");
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println!("That is a color word I know!");
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} else {
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} else {
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println!("That is not a color word I know.");
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println!("That is not a color word I know.");
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@ -3,21 +3,20 @@
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// Execute `rustlings hint strings3` or use the `hint` watch subcommand for a
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// Execute `rustlings hint strings3` or use the `hint` watch subcommand for a
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// hint.
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// hint.
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// I AM NOT DONE
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fn trim_me(input: &str) -> String {
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fn trim_me(input: &str) -> String {
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// TODO: Remove whitespace from both ends of a string!
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// TODO: Remove whitespace from both ends of a string!
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???
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input.trim().to_string()
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}
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}
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fn compose_me(input: &str) -> String {
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fn compose_me(input: &str) -> String {
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// TODO: Add " world!" to the string! There's multiple ways to do this!
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// TODO: Add " world!" to the string! There's multiple ways to do this!
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???
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input.to_string() + " world!"
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}
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}
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fn replace_me(input: &str) -> String {
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fn replace_me(input: &str) -> String {
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// TODO: Replace "cars" in the string with "balloons"!
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// TODO: Replace "cars" in the string with "balloons"!
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???
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input.replace("cars", "balloons")
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}
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}
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#[cfg(test)]
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#[cfg(test)]
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@ -7,7 +7,6 @@
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//
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//
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// No hints this time!
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// No hints this time!
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// I AM NOT DONE
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fn string_slice(arg: &str) {
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fn string_slice(arg: &str) {
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println!("{}", arg);
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println!("{}", arg);
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@ -17,14 +16,14 @@ fn string(arg: String) {
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}
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}
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fn main() {
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fn main() {
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???("blue");
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string_slice("blue");
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???("red".to_string());
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string("red".to_string());
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???(String::from("hi"));
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string(String::from("hi"));
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???("rust is fun!".to_owned());
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string("rust is fun!".to_owned());
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???("nice weather".into());
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string_slice("nice weather".into());
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???(format!("Interpolation {}", "Station"));
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string(format!("Interpolation {}", "Station"));
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???(&String::from("abc")[0..1]);
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string_slice(&String::from("abc")[0..1]);
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???(" hello there ".trim());
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string_slice(" hello there ".trim());
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???("Happy Monday!".to_string().replace("Mon", "Tues"));
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string("Happy Monday!".to_string().replace("Mon", "Tues"));
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???("mY sHiFt KeY iS sTiCkY".to_lowercase());
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string("mY sHiFt KeY iS sTiCkY".to_lowercase());
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}
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}
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