Sha256: 2743b5c275aa029b1d27e63f4ed25fe9c96cc8f1899e6902dd9023ee5e8dd3e0
Contents?: true
Size: 701 Bytes
Versions: 224
Compression:
Stored size: 701 Bytes
Contents
pub fn number(s: &str) -> Option<String> {
let digits: String = s
.chars()
.filter(|&c| c.is_digit(10))
.collect();
match digits.len() {
10 => Some(digits),
11 => match digits.chars().nth(0) {
Some('1') => Some(digits[1..].to_string()),
_ => None
},
_ => None
}
}
pub fn area_code(s: &str) -> Option<String> {
number(s).map(|n| n[..3].to_string())
}
pub fn pretty_print(s: &str) -> String {
number(s).map(|n|
format!("({area}) {prefix}-{exchange}",
area=&n[..3],
prefix=&n[3..6],
exchange=&n[6..])
).unwrap_or("invalid".to_string())
}
Version data entries
224 entries across 224 versions & 1 rubygems