Function get_nth_arg

src/ast/visitor.rs:477–484

get the arg of this call.

(node: &Node, arg_pos: usize)

    /// get the arg of this call.
    pub fn get_nth_arg(node: &Node, arg_pos: usize) -> Result<&Node> {
        if let Clang::CallExpr(_ce) = &node.kind {
            if let Some(arg) = node.inner.get(arg_pos + 1) {
                return Ok(arg.ignore_cast().ignore_parent());
            }
        }
        eyre::bail!("{node:#?} needs to be a CallExpr")
    }

    pub fn get_arg_ref(arg: &Node) -> Option<String> {
        if let Clang::DeclRefExpr(dre) = &arg.kind {