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README.md | 2 years ago |
README.md
diamond_creation
Instructions
Build the function make_diamond
which takes a letter as an input, and returns a diamond.
Rules:
- The first and last row contain one 'A'.
- The given letter has to be at the widest point.
- All rows, except the first and last, have exactly two identical letters.
- All rows have as many trailing spaces as leading spaces. This may be 0.
- The diamond is vertically symmetrical, and horizontally symmetrical.
- The width of the diamond equals its height.
- The top half has letters in ascending order (abcd).
- The bottom half has letters in descending order (dcba).
Expected functions
pub fn get_diamond(c: char) -> Vec<String> {
}
Usage
Here is a program to test your function.
use diamond_creation::*;
fn main() {
println!("{:?}", get_diamond('A'));
println!("{:?}", get_diamond('C'));
}
And its output:
$ cargo run
["A"]
[" A ", " B B ", "C C", " B B ", " A "]
$