29 lines
785 B
Rust
29 lines
785 B
Rust
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use std::{
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io::{self, Write},
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num::ParseFloatError,
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};
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use day43::tri_area;
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fn read_f64(request: &str) -> Result<f64, ParseFloatError> {
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let mut input = String::new();
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print!("{}", request);
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io::stdout().flush().expect("Failed to flush stdout");
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std::io::stdin()
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.read_line(&mut input)
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.expect("Failed to read input");
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input.trim().parse()
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}
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fn main() {
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let base = read_f64("Enter the base of the triangle: ");
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let height = read_f64("Enter the height of the triangle: ");
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match base {
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Ok(base) => match height {
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Ok(height) => println!("The area of the triangle is: {}", tri_area(base, height)),
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Err(e) => println!("Error: {}", e),
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},
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Err(e) => println!("Error: {}", e),
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}
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}
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