forked from Orchid/orchid
Lawrence Bethlenfalvy
0bcf10659b
- InertAtomic replaced atomic_inert! for improved tooling support - atomic_defaults! is easier to type out than to explain in a docstring - Changed rustfmt config to better support tiny functions such as as_any
46 lines
1.4 KiB
Rust
46 lines
1.4 KiB
Rust
#[allow(unused)] // for the doc comments
|
|
use std::any::Any;
|
|
#[allow(unused)] // for the doc comments
|
|
use std::fmt::Debug;
|
|
#[allow(unused)] // for the doc comments
|
|
use std::hash::Hash;
|
|
|
|
#[allow(unused)] // for the doc comments
|
|
use dyn_clone::DynClone;
|
|
|
|
#[allow(unused)] // for the doc comments
|
|
use crate::foreign::{Atomic, ExternFn};
|
|
#[allow(unused)] // for the doc comments
|
|
use crate::representations::Primitive;
|
|
#[allow(unused)] // for the doc comments
|
|
use crate::{atomic_impl, atomic_redirect};
|
|
|
|
/// Implement [ExternFn] with a closure that produces an [Atomic] from a
|
|
/// reference to self and a closure. This can be used in conjunction with
|
|
/// [atomic_impl] and [atomic_redirect] to normalize the argument automatically
|
|
/// before using it.
|
|
///
|
|
/// See [atomic_impl] for an example.
|
|
#[macro_export]
|
|
macro_rules! externfn_impl {
|
|
($typ:ident, $next_atomic:expr) => {
|
|
impl $crate::foreign::ExternFn for $typ {
|
|
fn name(&self) -> &str { stringify!($typ) }
|
|
fn apply(
|
|
&self,
|
|
arg: $crate::interpreted::ExprInst,
|
|
_ctx: $crate::interpreter::Context,
|
|
) -> $crate::foreign::XfnResult {
|
|
let closure = $next_atomic;
|
|
match closure(self, arg) {
|
|
// ? casts the result but we want to strictly forward it
|
|
Ok(r) => Ok($crate::interpreted::Clause::P($crate::Primitive::Atom(
|
|
$crate::foreign::Atom::new(r),
|
|
))),
|
|
Err(e) => Err(e),
|
|
}
|
|
}
|
|
}
|
|
};
|
|
}
|