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//! This module contains util functions /// Removes a UTF‑8 Byte Order Mark (BOM) from the beginning of a byte slice if present. /// /// The UTF‑8 BOM is the byte sequence `[0xEF, 0xBB, 0xBF]`. This function checks whether /// the provided slice starts with these bytes and, if so, returns a subslice without them. /// Otherwise, it returns the original slice. pub fn strip_utf8_bom(data: &[u8]) -> &[u8] { const BOM: &[u8] = &[0xEF, 0xBB, 0xBF]; if data.starts_with(BOM) { &data[BOM.len()..] } else { data } }