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use crate::module::ModuleFlags;
use crate::plugin::*;
use crate::{def_package, FnPtr, ImmutableString, NativeCallContext};
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
def_package! {
/// Package of basic function pointer utilities.
pub BasicFnPackage(lib) {
lib.flags |= ModuleFlags::STANDARD_LIB;
combine_with_exported_module!(lib, "FnPtr", fn_ptr_functions);
}
}
#[export_module]
mod fn_ptr_functions {
/// Return the name of the function.
///
/// # Example
///
/// ```rhai
/// fn double(x) { x * 2 }
///
/// let f = Fn("double");
///
/// print(f.name); // prints "double"
/// ```
#[rhai_fn(name = "name", get = "name", pure)]
pub fn name(fn_ptr: &mut FnPtr) -> ImmutableString {
fn_ptr.fn_name_raw().clone()
}
/// Return `true` if the function is an anonymous function.
///
/// # Example
///
/// ```rhai
/// let f = |x| x * 2;
///
/// print(f.is_anonymous); // prints true
/// ```
#[cfg(not(feature = "no_function"))]
#[rhai_fn(name = "is_anonymous", get = "is_anonymous", pure)]
pub fn is_anonymous(fn_ptr: &mut FnPtr) -> bool {
fn_ptr.is_anonymous()
}
}