/// Converts an unsigned integer into a binary string with leading zeros
/// padded to the specified bit width.
fn int_to_binary(num: u32, bits: usize) -> String {
// The format! macro specifier breakdown:
// - '0' specifies zero-padding instead of spaces
// - 'width$' dynamically injects the width parameter
// - 'b' formats the integer as binary (base 2)
format!("{:0width$b}", num, width = bits)
}
fn main() {
// Define the data provided
let num: u32 = 153;
// 1. Convert to an 8-bit binary representation (153 fits within 8 bits: 0 to 255)
let bin_str_8 = int_to_binary(num, 8);
// 2. Convert to a 16-bit binary representation to demonstrate wider padding
let bin_str_16 = int_to_binary(num, 16);
// Display the results
println!("Original Integer: {}", num);
println!("Binary (8-bit) : {}", bin_str_8);
println!("Binary (16-bit) : {}", bin_str_16);
}
/*
run:
Original Integer: 153
Binary (8-bit) : 10011001
Binary (16-bit) : 0000000010011001
*/
