aoc_rs/parsing.rs
pub fn find_character(input: Vec<String>, character: char) -> (usize, usize) {
input
.iter()
.enumerate()
.filter_map(|(row_idx, row)| {
row.chars().enumerate().find_map(|(col_idx, c)| {
if c == character {
Some((col_idx, row_idx))
} else {
None
}
})
})
.next()
.unwrap()
}