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Complete quiz 2
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@ -20,8 +20,6 @@
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//
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// No hints this time!
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// I AM NOT DONE
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pub enum Command {
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Uppercase,
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Trim,
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@ -32,11 +30,24 @@ mod my_module {
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use super::Command;
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// TODO: Complete the function signature!
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pub fn transformer(input: ???) -> ??? {
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pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> {
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// TODO: Complete the output declaration!
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let mut output: ??? = vec![];
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let mut output: Vec<String> = vec![];
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for (string, command) in input.iter() {
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// TODO: Complete the function body. You can do it!
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match command {
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Command::Uppercase => output.push(string.to_uppercase()),
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Command::Trim => output.push(string.trim().to_string()),
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Command::Append(count) => {
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let mut new_string = string.clone();
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// The star in front of count dereferences the value of count.
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// This is necessary because the append method expects a usize, not a &usize.
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for _ in 0..*count {
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new_string.push_str("bar");
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}
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output.push(new_string)
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}
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}
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}
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output
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}
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@ -45,7 +56,7 @@ mod my_module {
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#[cfg(test)]
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mod tests {
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// TODO: What do we need to import to have `transformer` in scope?
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use ???;
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use crate::my_module::transformer;
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use super::Command;
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#[test]
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