Function validate_float_suffix

src/code_actions/extract_constant.rs:135–151

Validate the remainder of a float literal after the 'e'/'E'.

(bytes: &[u8])

/// Validate the remainder of a float literal after the 'e'/'E'.
fn validate_float_suffix(bytes: &[u8]) -> bool {
    if bytes.is_empty() {
        return false;
    }
    let start = if bytes[0] == b'+' || bytes[0] == b'-' {
        1
    } else {
        0
    };
    if start >= bytes.len() {
        return false;
    }
    bytes[start..]
        .iter()
        .all(|b| b.is_ascii_digit() || *b == b'_')
        && bytes[start..].iter().any(|b| b.is_ascii_digit())
}

/// Returns `true` when the text is a concatenated string expression
/// like `'prefix_' . 'suffix'`. Each segment must be a string literal