Function strip_prefix_ci

nodedb-spatial/src/wkt.rs:105–111

Case-insensitive prefix strip.

(s: &'a str, prefix: &str)

/// Case-insensitive prefix strip.
fn strip_prefix_ci<'a>(s: &'a str, prefix: &str) -> Option<&'a str> {
    if s.len() >= prefix.len() && s[..prefix.len()].eq_ignore_ascii_case(prefix) {
        Some(&s[prefix.len()..])
    } else {
        None
    }
}

/// Strip outer parentheses: "(content)" → "content"
fn strip_parens(s: &str) -> Option<&str> {