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mokou 2022-11-11 16:12:09 +01:00
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commit 2e1630c712
3 changed files with 14 additions and 11 deletions
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5
Cargo.toml
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@ -1,7 +1,10 @@
[package]
name = "rustlings"
version = "5.2.1"
authors = ["Liv <mokou@fastmail.com>", "Carol (Nichols || Goulding) <carol.nichols@gmail.com>"]
authors = [
"Liv <mokou@fastmail.com>",
"Carol (Nichols || Goulding) <carol.nichols@gmail.com>",
]
edition = "2021"
[dependencies]

2
README.md
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@ -126,7 +126,7 @@ After every couple of sections, there will be a quiz that'll test your knowledge
## Enabling `rust-analyzer`
Run the command `rustlings lsp` which will generate a `rust-project.json` at the root of the project, this allows [rust-analyzer](https://rust-analyzer.github.io/) to parse each exercise.
Run the command `rustlings lsp` which will generate a `rust-project.json` at the root of the project, this allows [rust-analyzer](https://rust-analyzer.github.io/) to parse each exercise.
## Continuing On

18
info.toml
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@ -416,8 +416,8 @@ path = "exercises/enums/enums3.rs"
mode = "test"
hint = """
As a first step, you can define enums to compile this code without errors.
and then create a match expression in `process()`.
Note that you need to deconstruct some message variants
and then create a match expression in `process()`.
Note that you need to deconstruct some message variants
in the match expression to get value in the variant."""
# STRINGS
@ -476,7 +476,7 @@ name = "modules2"
path = "exercises/modules/modules2.rs"
mode = "compile"
hint = """
The delicious_snacks module is trying to present an external interface that is
The delicious_snacks module is trying to present an external interface that is
different than its internal structure (the `fruits` and `veggies` modules and
associated constants). Complete the `use` statements to fit the uses in main and
find the one keyword missing for both constants."""
@ -623,12 +623,12 @@ path = "exercises/error_handling/errors5.rs"
mode = "compile"
hint = """
There are two different possible `Result` types produced within `main()`, which are
propagated using `?` operators. How do we declare a return type from `main()` that allows both?
propagated using `?` operators. How do we declare a return type from `main()` that allows both?
Under the hood, the `?` operator calls `From::from` on the error value to convert it to a boxed
trait object, a `Box<dyn error::Error>`. This boxed trait object is polymorphic, and since all
errors implement the `error::Error` trait, we can capture lots of different errors in one "Box"
object.
object.
Check out this section of the book:
https://doc.rust-lang.org/book/ch09-02-recoverable-errors-with-result.html#a-shortcut-for-propagating-errors-the--operator
@ -862,7 +862,7 @@ case is a vector of integers and the failure case is a DivisionError.
The list_of_results function needs to return a vector of results.
See https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.collect for how
See https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.collect for how
the `FromIterator` trait is used in `collect()`. This trait is REALLY powerful! It
can make the solution to this exercise infinitely easier."""
@ -964,10 +964,10 @@ name = "threads1"
path = "exercises/threads/threads1.rs"
mode = "compile"
hint = """
`JoinHandle` is a struct that is returned from a spawned thread:
`JoinHandle` is a struct that is returned from a spawned thread:
https://doc.rust-lang.org/std/thread/fn.spawn.html
A challenge with multi-threaded applications is that the main thread can
A challenge with multi-threaded applications is that the main thread can
finish before the spawned threads are completed.
https://doc.rust-lang.org/book/ch16-01-threads.html#waiting-for-all-threads-to-finish-using-join-handles
@ -1077,7 +1077,7 @@ mathematical constants in the rust standard library.
https://doc.rust-lang.org/stable/std/f32/consts/index.html
We may be tempted to use our own approximations for certain mathematical constants,
but clippy recognizes those imprecise mathematical constants as a source of
but clippy recognizes those imprecise mathematical constants as a source of
potential error.
See the suggestions of the clippy warning in compile output and use the
appropriate replacement constant from std::f32::consts..."""