Method trim

datafusion/functions/src/string/common.rs:67–74

(input: &'a str, pattern: &[char])

impl Trimmer for TrimLeft {
    #[inline]
    fn trim<'a>(input: &'a str, pattern: &[char]) -> (&'a str, u32) {
        if pattern.len() == 1 && pattern[0].is_ascii() {
            return Self::trim_ascii_char(input, pattern[0] as u8);
        }
        let trimmed = input.trim_start_matches(pattern);
        let offset = (input.len() - trimmed.len()) as u32;
        (trimmed, offset)
    }

    #[inline]
    fn trim_ascii_char(input: &str, byte: u8) -> (&str, u32) {