nodeIsTriviallyZero

fn nodeIsTriviallyZero(tree: *const Ast, node: Ast.Node.Index) bool {
    switch (tree.nodeTag(node)) {
        .number_literal => {
            const ident = tree.nodeMainToken(node);
            return switch (std.zig.parseNumberLiteral(tree.tokenSlice(ident))) {
                .int => |number| switch (number) {
                    0 => true,
                    else => false,
                },
                else => false,
            };
        },
        else => return false,
    }
}