rustlings/exercises/22_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 NOT DONE
use std::f32;
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
)
}