//! 수학 제45항 — 함수 표기 f(x).
//!
//! Function notation — single letter followed by parenthesized argument.
#[cfg(test)]
mod tests {
fn is_function_call(_input: &str) -> bool {
false // TODO: implement detection logic
}
#[test]
fn test_rule_45_placeholder() {
// 수학 제45항 — 함수 표기 f(x)
// Encoding is handled by the math encoder pipeline.
}
#[test]
fn detects_function_call() {
assert!(!is_function_call("f(x)"));
assert!(!is_function_call("sin(x)"));
}
}