pub fn parse_size(s: &str) -> Option<u64>Expand description
Parse a human-readable size string into bytes.
Accepts _size config values: bare number, or number followed by unit letter
(B, K, M, G, T). Case-insensitive. Trims whitespace.
Returns None for invalid or negative input.
"10M" → 10_485_760
"1.5K" → 1_536
"512B" → 512
"1024" → 1_024