use crate::math_symbol_shortcut;
pub fn is_norm_symbol(c: char) -> bool {
c == '‖'
}
pub fn encode_norm_open(result: &mut Vec<u8>) -> Result<(), String> {
result.extend_from_slice(&[51, 51]);
Ok(())
}
pub fn encode_norm_close(result: &mut Vec<u8>) -> Result<(), String> {
result.extend_from_slice(&[51, 51]);
Ok(())
}
pub fn encode_norm_symbol(c: char, result: &mut Vec<u8>) -> Result<(), String> {
let encoded = math_symbol_shortcut::encode_char_math_symbol_shortcut(c)?;
result.extend_from_slice(encoded);
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn encodes_norm_open_and_close() -> Result<(), String> {
let mut result = Vec::new();
encode_norm_open(&mut result)?;
encode_norm_close(&mut result)?;
assert_eq!(result, vec![51, 51, 51, 51]);
Ok(())
}
}