mirror of
https://github.com/rust-lang/rustlings.git
synced 2026-01-07 11:19:18 +00:00
More complete
This commit is contained in:
parent
4cf59332ab
commit
17de7d6f34
@ -3,7 +3,6 @@
|
|||||||
// Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand
|
// Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand
|
||||||
// for a hint.
|
// for a hint.
|
||||||
|
|
||||||
// I AM NOT DONE
|
|
||||||
|
|
||||||
#[test]
|
#[test]
|
||||||
fn main() {
|
fn main() {
|
||||||
@ -15,7 +14,7 @@ fn main() {
|
|||||||
}
|
}
|
||||||
|
|
||||||
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
|
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
|
||||||
let vec = vec;
|
let mut vec = vec;
|
||||||
|
|
||||||
vec.push(88);
|
vec.push(88);
|
||||||
|
|
||||||
|
|||||||
@ -5,13 +5,11 @@
|
|||||||
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
|
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
|
||||||
// for a hint.
|
// for a hint.
|
||||||
|
|
||||||
// I AM NOT DONE
|
|
||||||
|
|
||||||
#[test]
|
#[test]
|
||||||
fn main() {
|
fn main() {
|
||||||
let vec0 = vec![22, 44, 66];
|
let vec0 = vec![22, 44, 66];
|
||||||
|
|
||||||
let mut vec1 = fill_vec(vec0);
|
let mut vec1 = fill_vec(vec0.clone());
|
||||||
|
|
||||||
assert_eq!(vec0, vec![22, 44, 66]);
|
assert_eq!(vec0, vec![22, 44, 66]);
|
||||||
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
||||||
|
|||||||
@ -6,7 +6,6 @@
|
|||||||
// Execute `rustlings hint move_semantics3` or use the `hint` watch subcommand
|
// Execute `rustlings hint move_semantics3` or use the `hint` watch subcommand
|
||||||
// for a hint.
|
// for a hint.
|
||||||
|
|
||||||
// I AM NOT DONE
|
|
||||||
|
|
||||||
#[test]
|
#[test]
|
||||||
fn main() {
|
fn main() {
|
||||||
@ -17,7 +16,7 @@ fn main() {
|
|||||||
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
||||||
}
|
}
|
||||||
|
|
||||||
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
|
fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> {
|
||||||
vec.push(88);
|
vec.push(88);
|
||||||
|
|
||||||
vec
|
vec
|
||||||
|
|||||||
@ -7,13 +7,11 @@
|
|||||||
// Execute `rustlings hint move_semantics4` or use the `hint` watch subcommand
|
// Execute `rustlings hint move_semantics4` or use the `hint` watch subcommand
|
||||||
// for a hint.
|
// for a hint.
|
||||||
|
|
||||||
// I AM NOT DONE
|
|
||||||
|
|
||||||
#[test]
|
#[test]
|
||||||
fn main() {
|
fn main() {
|
||||||
let vec0 = vec![22, 44, 66];
|
let vec0 = vec![22, 44, 66];
|
||||||
|
|
||||||
let mut vec1 = fill_vec(vec0);
|
let mut vec1 = fill_vec();
|
||||||
|
|
||||||
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
||||||
}
|
}
|
||||||
@ -21,8 +19,11 @@ fn main() {
|
|||||||
// `fill_vec()` no longer takes `vec: Vec<i32>` as argument - don't change this!
|
// `fill_vec()` no longer takes `vec: Vec<i32>` as argument - don't change this!
|
||||||
fn fill_vec() -> Vec<i32> {
|
fn fill_vec() -> Vec<i32> {
|
||||||
// Instead, let's create and fill the Vec in here - how do you do that?
|
// Instead, let's create and fill the Vec in here - how do you do that?
|
||||||
let mut vec = vec;
|
let mut vec = Vec::new();
|
||||||
|
|
||||||
|
vec.push(22);
|
||||||
|
vec.push(44);
|
||||||
|
vec.push(66);
|
||||||
vec.push(88);
|
vec.push(88);
|
||||||
|
|
||||||
vec
|
vec
|
||||||
|
|||||||
@ -6,14 +6,13 @@
|
|||||||
// Execute `rustlings hint move_semantics5` or use the `hint` watch subcommand
|
// Execute `rustlings hint move_semantics5` or use the `hint` watch subcommand
|
||||||
// for a hint.
|
// for a hint.
|
||||||
|
|
||||||
// I AM NOT DONE
|
|
||||||
|
|
||||||
#[test]
|
#[test]
|
||||||
fn main() {
|
fn main() {
|
||||||
let mut x = 100;
|
let mut x = 100;
|
||||||
let y = &mut x;
|
let y = &mut x;
|
||||||
let z = &mut x;
|
|
||||||
*y += 100;
|
*y += 100;
|
||||||
|
let z = &mut x;
|
||||||
*z += 1000;
|
*z += 1000;
|
||||||
assert_eq!(x, 1200);
|
assert_eq!(x, 1200);
|
||||||
}
|
}
|
||||||
|
|||||||
@ -5,24 +5,22 @@
|
|||||||
// Execute `rustlings hint move_semantics6` or use the `hint` watch subcommand
|
// Execute `rustlings hint move_semantics6` or use the `hint` watch subcommand
|
||||||
// for a hint.
|
// for a hint.
|
||||||
|
|
||||||
// I AM NOT DONE
|
|
||||||
|
|
||||||
fn main() {
|
fn main() {
|
||||||
let data = "Rust is great!".to_string();
|
let data = "Rust is great!".to_string();
|
||||||
|
|
||||||
get_char(data);
|
get_char(&data);
|
||||||
|
|
||||||
string_uppercase(&data);
|
string_uppercase(data);
|
||||||
}
|
}
|
||||||
|
|
||||||
// Should not take ownership
|
// Should not take ownership
|
||||||
fn get_char(data: String) -> char {
|
fn get_char(data: &String) -> char {
|
||||||
data.chars().last().unwrap()
|
data.chars().last().unwrap()
|
||||||
}
|
}
|
||||||
|
|
||||||
// Should take ownership
|
// Should take ownership
|
||||||
fn string_uppercase(mut data: &String) {
|
fn string_uppercase(mut data: String) {
|
||||||
data = &data.to_uppercase();
|
data = data.to_uppercase();
|
||||||
|
|
||||||
println!("{}", data);
|
println!("{}", data);
|
||||||
}
|
}
|
||||||
|
|||||||
@ -5,13 +5,13 @@
|
|||||||
// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a
|
// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a
|
||||||
// hint.
|
// hint.
|
||||||
|
|
||||||
// I AM NOT DONE
|
|
||||||
|
|
||||||
struct ColorClassicStruct {
|
struct ColorClassicStruct {
|
||||||
// TODO: Something goes here
|
red: u32,
|
||||||
|
green: u32,
|
||||||
|
blue: u32,
|
||||||
}
|
}
|
||||||
|
|
||||||
struct ColorTupleStruct(/* TODO: Something goes here */);
|
struct ColorTupleStruct(i32, i32, i32);
|
||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
struct UnitLikeStruct;
|
struct UnitLikeStruct;
|
||||||
@ -23,7 +23,11 @@ mod tests {
|
|||||||
#[test]
|
#[test]
|
||||||
fn classic_c_structs() {
|
fn classic_c_structs() {
|
||||||
// TODO: Instantiate a classic c struct!
|
// TODO: Instantiate a classic c struct!
|
||||||
// let green =
|
let green = ColorClassicStruct {
|
||||||
|
red: 0,
|
||||||
|
green: 255,
|
||||||
|
blue: 0,
|
||||||
|
};
|
||||||
|
|
||||||
assert_eq!(green.red, 0);
|
assert_eq!(green.red, 0);
|
||||||
assert_eq!(green.green, 255);
|
assert_eq!(green.green, 255);
|
||||||
@ -33,7 +37,7 @@ mod tests {
|
|||||||
#[test]
|
#[test]
|
||||||
fn tuple_structs() {
|
fn tuple_structs() {
|
||||||
// TODO: Instantiate a tuple struct!
|
// TODO: Instantiate a tuple struct!
|
||||||
// let green =
|
let green = ColorTupleStruct(0,255,0);
|
||||||
|
|
||||||
assert_eq!(green.0, 0);
|
assert_eq!(green.0, 0);
|
||||||
assert_eq!(green.1, 255);
|
assert_eq!(green.1, 255);
|
||||||
@ -43,7 +47,7 @@ mod tests {
|
|||||||
#[test]
|
#[test]
|
||||||
fn unit_structs() {
|
fn unit_structs() {
|
||||||
// TODO: Instantiate a unit-like struct!
|
// TODO: Instantiate a unit-like struct!
|
||||||
// let unit_like_struct =
|
let unit_like_struct = UnitLikeStruct;
|
||||||
let message = format!("{:?}s are fun!", unit_like_struct);
|
let message = format!("{:?}s are fun!", unit_like_struct);
|
||||||
|
|
||||||
assert_eq!(message, "UnitLikeStructs are fun!");
|
assert_eq!(message, "UnitLikeStructs are fun!");
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user