Pending changes exported from your codespace

This commit is contained in:
Pranjal Khanna 2023-06-21 19:08:12 +00:00
parent 0395bda472
commit 0a7744f3b0
29 changed files with 74 additions and 80 deletions

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@ -3,8 +3,7 @@
// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn call_me(){}
fn main() {
call_me();
}

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@ -3,13 +3,12 @@
// Execute `rustlings hint functions2` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
call_me(3);
}
fn call_me(num:) {
fn call_me(num:i32) {
for i in 0..num {
println!("Ring! Call number {}", i + 1);
}

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@ -3,10 +3,9 @@
// Execute `rustlings hint functions3` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
call_me();
call_me(3);
}
fn call_me(num: u32) {

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@ -8,14 +8,13 @@
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let original_price = 51;
println!("Your sale price is {}", sale_price(original_price));
}
fn sale_price(price: i32) -> {
fn sale_price(price: i32) -> i32 {
if is_even(price) {
price - 10
} else {

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@ -3,7 +3,6 @@
// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let answer = square(3);
@ -11,5 +10,5 @@ fn main() {
}
fn square(num: i32) -> i32 {
num * num;
return num * num;
}

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@ -2,13 +2,12 @@
//
// Execute `rustlings hint if1` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
pub fn bigger(a: i32, b: i32) -> i32 {
// Complete this function to return the bigger number!
// Do not use:
// - another function call
// - additional variables
if a<b {
return b;
}
a
}
// Don't mind this for now :)

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@ -5,14 +5,15 @@
//
// Execute `rustlings hint if2` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
pub fn foo_if_fizz(fizzish: &str) -> &str {
if fizzish == "fizz" {
"foo"
} else {
1
} else if fizzish == "fuzz"
{
"bar"
}
else { "baz" }
}
// No test changes needed!

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@ -13,8 +13,6 @@
// Execute `rustlings hint intro1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
println!("Hello and");
println!(r#" welcome to... "#);

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@ -5,8 +5,8 @@
// Execute `rustlings hint intro2` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
println!("Hello {}!");
println!("Hello {}!","world");
}

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@ -3,12 +3,11 @@
// Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
fn main() {
let vec0 = Vec::new();
let vec1 = fill_vec(vec0);
let mut vec1 = fill_vec(vec0);
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);

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@ -7,12 +7,10 @@
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
fn main() {
let vec0 = Vec::new();
let mut vec1 = fill_vec(vec0);
let mut vec1 = fill_vec(&vec0);
println!("{} has length {}, with contents: `{:?}`", "vec0", vec0.len(), vec0);
@ -21,9 +19,8 @@ fn main() {
println!("{} has length {}, with contents `{:?}`", "vec1", vec1.len(), vec1);
}
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
let mut vec = vec;
fn fill_vec(vec: &Vec<i32>) -> Vec<i32> {
let mut vec = vec.clone();
vec.push(22);
vec.push(44);
vec.push(66);

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@ -9,9 +9,9 @@
// I AM NOT DONE
fn main() {
let vec0 = Vec::new();
let mut vec0 = Vec::new();
let mut vec1 = fill_vec(vec0);
let mut vec1 = fill_vec( &mut vec0);
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
@ -20,7 +20,7 @@ fn main() {
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
}
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
fn fill_vec(vec: &mut Vec<i32>) -> &mut Vec<i32> {
vec.push(22);
vec.push(44);
vec.push(66);

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@ -6,7 +6,6 @@
// Execute `rustlings hint primitive_types1` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
fn main() {
// Booleans (`bool`)
@ -16,7 +15,7 @@ fn main() {
println!("Good morning!");
}
let // Finish the rest of this line like the example! Or make it be false!
let is_evening=true; // Finish the rest of this line like the example! Or make it be false!
if is_evening {
println!("Good evening!");
}

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@ -6,8 +6,6 @@
// Execute `rustlings hint primitive_types2` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
fn main() {
// Characters (`char`)
@ -22,7 +20,7 @@ fn main() {
println!("Neither alphabetic nor numeric!");
}
let // Finish this line like the example! What's your favorite character?
let your_character=' ';// Finish this line like the example! What's your favorite character?
// Try a letter, try a number, try a special character, try a character
// from a different language than your own, try an emoji!
if your_character.is_alphabetic() {

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@ -4,11 +4,8 @@
//
// Execute `rustlings hint primitive_types3` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
fn main() {
let a = ???
let a = "hi";
if a.len() >= 100 {
println!("Wow, that's a big array!");

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@ -5,13 +5,11 @@
// Execute `rustlings hint primitive_types4` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
#[test]
fn slice_out_of_array() {
let a = [1, 2, 3, 4, 5];
let nice_slice = ???
let nice_slice = &a[1..4];
assert_eq!([2, 3, 4], nice_slice)
}

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@ -5,11 +5,11 @@
// Execute `rustlings hint primitive_types5` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
fn main() {
let cat = ("Furry McFurson", 3.5);
let /* your pattern here */ = cat;
let age= cat.1;
let name = cat.0;
println!("{} is {} years old.", name, age);
}

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@ -6,13 +6,12 @@
// Execute `rustlings hint primitive_types6` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
#[test]
fn indexing_tuple() {
let numbers = (1, 2, 3);
// Replace below ??? with the tuple indexing syntax.
let second = ???;
let second = numbers.1;
assert_eq!(2, second,
"This is not the 2nd number in the tuple!")

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@ -13,10 +13,14 @@
//
// No hints this time ;)
// I AM NOT DONE
// Put your function here!
// fn calculate_price_of_apples {
fn calculate_price_of_apples(a : i32) -> i32{
if(40<a){
return a*1;
}
return a*2;
}
// Don't modify this function!
#[test]

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@ -32,21 +32,37 @@ mod my_module {
use super::Command;
// TODO: Complete the function signature!
pub fn transformer(input: ???) -> ??? {
pub fn transformer(input: Vec<(&str,Command)>) -> Vec<String> {
// TODO: Complete the output declaration!
let mut output: ??? = vec![];
for (string, command) in input.iter() {
// TODO: Complete the function body. You can do it!
let mut output: Vec<String> = vec![];
for (string, command) in input {
let mut nString = String::from(string);
match command {
Command::Uppercase => {
output.push(nString.to_uppercase());
},
Command::Trim => {
nString.trim();
output.push(nString);
},
Command::Append(usize) =>{
for i in 0..*usize
{
nString.push_str("bar")
}
output.push(nString);
},
}
}
output
}
}
}
#[cfg(test)]
mod tests {
// TODO: What do we need to import to have `transformer` in scope?
use ???;
use super::Command;
use super::my_module::transformer;
#[test]
fn it_works() {

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@ -5,9 +5,8 @@
// Execute `rustlings hint variables1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
x = 5;
let x:i32 = 5;
println!("x has the value {}", x);
}

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@ -3,10 +3,9 @@
// Execute `rustlings hint variables2` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let x;
let x:i32=0;
if x == 10 {
println!("x is ten!");
} else {

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@ -3,9 +3,8 @@
// Execute `rustlings hint variables3` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let x: i32;
let x: i32=0;
println!("Number {}", x);
}

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@ -3,10 +3,8 @@
// Execute `rustlings hint variables4` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let x = 3;
let mut x = 3;
println!("Number {}", x);
x = 5; // don't change this line
println!("Number {}", x);

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@ -3,11 +3,13 @@
// Execute `rustlings hint variables5` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let number = "T-H-R-E-E"; // don't change this line
println!("Spell a Number : {}", number);
number = 3; // don't rename this variable
{
let number = 3;
println!("Number plus two is : {}", number + 2);
}
}

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@ -3,9 +3,8 @@
// Execute `rustlings hint variables6` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
const NUMBER = 3;
const NUMBER:i32 = 3;
fn main() {
println!("Number {}", NUMBER);
}

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@ -7,13 +7,11 @@
//
// Execute `rustlings hint vecs1` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
fn array_and_vec() -> ([i32; 4], Vec<i32>) {
let a = [10, 20, 30, 40]; // a plain array
let v = // TODO: declare your vector here with the macro for vectors
(a, v)
let v = Vec::<i32>::from(a);
return (a, v);
}
#[cfg(test)]

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@ -7,13 +7,12 @@
//
// Execute `rustlings hint vecs2` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
fn vec_loop(mut v: Vec<i32>) -> Vec<i32> {
for element in v.iter_mut() {
// TODO: Fill this up so that each element in the Vec `v` is
// multiplied by 2.
???
*element*=2;
}
// At this point, `v` should be equal to [4, 8, 12, 16, 20].
@ -24,7 +23,7 @@ fn vec_map(v: &Vec<i32>) -> Vec<i32> {
v.iter().map(|element| {
// TODO: Do the same thing as above - but instead of mutating the
// Vec, you can just return the new number!
???
return element*2;
}).collect()
}

1
rustlings Submodule

@ -0,0 +1 @@
Subproject commit f2de12aa3443af2e989a045d9035294184d36eee