Rust Brain Teasers

Puzzle 1

Three and a Bit

three_and_a_bit/src/main.rs

fn main() {
    const THREE_AND_A_BIT : f32 = 3.4028236;
    println!("{}", THREE_AND_A_BIT);
}

Guess the Output
	Try to guess what the output is before moving to the next page.

The program will display the following output:

3.4028237

Discussion

You might have expected the program to print 3.4028236. Surprisingly, the result is off by 0.0000001—you set a value of 3.4028236, yet the result ...