Function trim_and_append_view

datafusion/functions/src/string/common.rs:248–263

(
    src_str_opt: Option<&str>,
    pattern: &[char],
    views_buf: &mut Vec<u128>,
    null_builder: &mut NullBufferBuilder,
    original_view: &u128,
)

/// - `original_view`: The original view value (that contains src_str_opt)
#[inline]
fn trim_and_append_view<Tr: Trimmer>(
    src_str_opt: Option<&str>,
    pattern: &[char],
    views_buf: &mut Vec<u128>,
    null_builder: &mut NullBufferBuilder,
    original_view: &u128,
) {
    if let Some(src_str) = src_str_opt {
        let (trimmed, offset) = Tr::trim(src_str, pattern);
        append_view(views_buf, original_view, trimmed, offset);
        null_builder.append_non_null();
    } else {
        null_builder.append_null();
        views_buf.push(0);
    }
}

/// Applies the trim function to the given string array(s)
/// and returns a new string array with the trimmed values.