Sha256: 726f4b2b29d245d53b81172a5a8b20283e3a2a6fe938b99678e91e1b06cc89cf
Contents?: true
Size: 794 Bytes
Versions: 395
Compression:
Stored size: 794 Bytes
Contents
fn parse_hex_digit(c: char) -> Option<i64> {
match c {
'0' => Some(0),
'1' => Some(1),
'2' => Some(2),
'3' => Some(3),
'4' => Some(4),
'5' => Some(5),
'6' => Some(6),
'7' => Some(7),
'8' => Some(8),
'9' => Some(9),
'a' => Some(10),
'b' => Some(11),
'c' => Some(12),
'd' => Some(13),
'e' => Some(14),
'f' => Some(15),
_ => None,
}
}
pub fn hex_to_int(string: &str) -> Option<i64> {
let base: i64 = 16;
string
.chars()
.rev()
.enumerate()
.fold(Some(0), |acc, (pos, c)| {
parse_hex_digit(c).and_then(|n| {
acc.map(|acc| acc + n * base.pow(pos as u32))
})
})
}
Version data entries
395 entries across 395 versions & 1 rubygems