Function element_by_symbol 

pub fn element_by_symbol(symbol: &str) -> Option<Element>

Looks up an element by symbol using ASCII case-insensitive matching.

Leading and trailing whitespace are ignored.

Examples

use use_element::element_by_symbol;

let sodium = element_by_symbol(" na ").unwrap();

assert_eq!(sodium.atomic_number, 11);
assert_eq!(sodium.symbol, "Na");