Fix no_function builds.
//! Module defining mechanisms to handle function calls in Rhai.
+#[cfg(not(feature = "no_function"))]
pub mod args;
pub mod builtin;
pub mod call;
+#[cfg(not(feature = "no_function"))]
pub mod func;
pub mod hashing;
pub mod native;
pub mod plugin;
pub mod register;
+#[cfg(not(feature = "no_function"))]
pub use args::FuncArgs;
pub use builtin::{get_builtin_binary_op_fn, get_builtin_op_assignment_fn};
pub use call::FnCallArgs;
+#[cfg(not(feature = "no_function"))]
pub use func::Func;
pub use hashing::{
calc_fn_hash, calc_fn_params_hash, calc_qualified_fn_hash, calc_qualified_var_hash,
