initial commit

clippy/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "clippy3"
+version = "0.0.1"

clippy/Cargo.toml

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+[package]
+name = "clippy3"
+version = "0.0.1"
+edition = "2021"
+[[bin]]
+name = "clippy3"
+path = "clippy3.rs"

clippy/README.md

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+# Clippy
+
+The Clippy tool is a collection of lints to analyze your code so you can catch common mistakes and improve your Rust code.
+
+If you used the installation script for Rustlings, Clippy should be already installed.
+If not you can install it manually via `rustup component add clippy`.
+
+## Further information
+
+- [GitHub Repository](https://github.com/rust-lang/rust-clippy).

clippy/clippy1.rs

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+// clippy1.rs
+//
+// The Clippy tool is a collection of lints to analyze your code so you can
+// catch common mistakes and improve your Rust code.
+//
+// For these exercises the code will fail to compile when there are clippy
+// warnings check clippy's suggestions from the output to solve the exercise.
+//
+// Execute `rustlings hint clippy1` or use the `hint` watch subcommand for a
+// hint.
+
+// I AM DONE
+
+use std::f32;
+
+#[allow(clippy::approx_constant)]
+fn main() {
+    let pi = 3.14f32;
+    let radius = 5.00f32;
+
+    let area = pi * f32::powi(radius, 2);
+
+    println!(
+        "The area of a circle with radius {:.2} is {:.5}!",
+        radius, area
+    )
+}

clippy/clippy2.rs

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+// clippy2.rs
+//
+// Execute `rustlings hint clippy2` or use the `hint` watch subcommand for a
+// hint.
+
+// I AM DONE
+
+#[allow(for_loops_over_fallibles)]
+fn main() {
+    let mut res = 42;
+    let option = Some(12);
+    for x in option {
+        res += x;
+    }
+    println!("{}", res);
+}

clippy/clippy3.rs

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+// clippy3.rs
+//
+// Here's a couple more easy Clippy fixes, so you can see its utility.
+// No hints.
+
+// I AM DONE
+
+#[allow(unused_variables, unused_assignments)]
+#[allow(clippy::panicking_unwrap)]
+#[allow(clippy::almost_swapped)]
+#[allow(clippy::unnecessary_literal_unwrap)]
+#[allow(clippy::let_unit_value)]
+fn main() {
+    let my_option: Option<()> = None;
+    if my_option.is_none() {
+        my_option.unwrap();
+    }
+
+    let my_arr = &[-1, -2, -3 - 4, -5, -6];
+    println!("My array! Here it is: {:?}", my_arr);
+
+    let my_empty_vec = vec![1, 2, 3, 4, 5].resize(0, 5);
+    println!("This Vec is empty, see? {:?}", my_empty_vec);
+
+    let mut value_a = 45;
+    let mut value_b = 66;
+    // Let's swap these two!
+    value_a = value_b;
+    value_b = value_a;
+    println!("value a: {}; value b: {}", value_a, value_b);
+}

clippy/target/.rustc_info.json

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+{"rustc_fingerprint":11792070684003744821,"outputs":{"17471738939474973447":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/minhradz/.rustup/toolchains/stable-x86_64-unknown-linux-gnu\noff\npacked\nunpacked\n___\nclippy\ndebug_assertions\nfeature=\"cargo-clippy\"\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n","stderr":""},"14478210374123597319":{"success":true,"status":"","code":0,"stdout":"rustc 1.79.0 (129f3b996 2024-06-10)\nbinary: rustc\ncommit-hash: 129f3b9964af4d4a709d1383930ade12dfe7c081\ncommit-date: 2024-06-10\nhost: x86_64-unknown-linux-gnu\nrelease: 1.79.0\nLLVM version: 18.1.7\n","stderr":""}},"successes":{}}

clippy/target/CACHEDIR.TAG

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+Signature: 8a477f597d28d172789f06886806bc55
+# This file is a cache directory tag created by cargo.
+# For information about cache directory tags see https://bford.info/cachedir/

clippy/target/debug/.fingerprint/clippy3-36457a3dd0101112/bin-clippy3

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+9d78001aa0a9fe34

clippy/target/debug/.fingerprint/clippy3-36457a3dd0101112/bin-clippy3.json

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+{"rustc":18217185010275080438,"features":"[]","declared_features":"","target":15082887096810505001,"profile":5601947868832436996,"path":2386747541556052359,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/clippy3-36457a3dd0101112/dep-bin-clippy3"}}],"rustflags":["-C","link-arg=-fuse-ld=/usr/bin/mold"],"metadata":7797948686568424061,"config":16520146531172537597,"compile_kind":0}

clippy/target/debug/.fingerprint/clippy3-36457a3dd0101112/invoked.timestamp

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+This file has an mtime of when this was started.

clippy/target/debug/deps/clippy3-36457a3dd0101112.d

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+/home/minhradz/Desktop/Rust/rustlings/exercises/clippy/target/debug/deps/libclippy3-36457a3dd0101112.rmeta: clippy3.rs Cargo.toml
+
+/home/minhradz/Desktop/Rust/rustlings/exercises/clippy/target/debug/deps/clippy3-36457a3dd0101112.d: clippy3.rs Cargo.toml
+
+clippy3.rs:
+Cargo.toml:
+
+# env-dep:CLIPPY_ARGS=-D__CLIPPY_HACKERY__warnings__CLIPPY_HACKERY__-D__CLIPPY_HACKERY__clippy::float_cmp__CLIPPY_HACKERY__
+# env-dep:CLIPPY_CONF_DIR