# Homework hw2 task3

## prepare your task

Run the cargo command to prepare your task3/ directory as a library

## task

Compute Pascal's triangle up to a given number of rows. Create the new type
*PascalsTriangle* and implement the methods *new()* and *rows()*. See the
`tests/task3.rs` for more informationen about parameters and returns of the
methods. Do not use any crates.

In Pascal's Triangle each number is computed by adding the numbers to the right
and left of the current position in the previous row.

```plain
    1
   1 1
  1 2 1
 1 3 3 1
1 4 6 4 1
# ... etc
```