Function get_function_signature
Source pub fn get_function_signature(name: &str) -> Option<FunctionSignature>
Expand description
Looks up a function signature by name.
Returns the complete function signature including parameters, return type,
and category. The lookup is case-insensitive.
§Arguments
name - The function name (case-insensitive)
§Returns
Some(FunctionSignature) if the function is known, None otherwise.