braillify 2.0.1

Rust 기반 크로스플랫폼 한국어 점역 라이브러리
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//! 수학 제42항 — 닮음 기호 (∽).
//!
//! Similarity ∽ (U+223D).

use crate::math_symbol_shortcut;

pub fn is_similarity_symbol(c: char) -> bool {
    c == '\u{223D}'
}

pub fn encode_similarity_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 test_is_similarity_symbol() {
        assert!(is_similarity_symbol('\u{223D}'));
        assert!(!is_similarity_symbol('~'));
        assert!(!is_similarity_symbol('a'));
    }

    #[test]
    fn encode_emits_shortcut_bytes() -> Result<(), String> {
        let mut result = Vec::new();
        encode_similarity_symbol('\u{223D}', &mut result)?;
        assert!(!result.is_empty());
        Ok(())
    }
}