As part of Advent of Code 2020 day 3, I'm trying to compare characters in a string to a specific character.
fn main(){
let str_foo =
"...##..#
##.#..#.";
for char in str_foo.chars() {
println!("{}", char == "#");
}
}
The error I get is expected char, found &str
.
I'm struggling to find a clean way to cast either the left or right side of the equality check so that they can be compared.
Use single quotes for character literals. Fixed:
fn main() {
let str_foo =
"...##..#
##.#..#.";
for char in str_foo.chars() {
println!("{}", char == '#');
}
}
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