62 lines
1.3 KiB
Rust
62 lines
1.3 KiB
Rust
use crate::{
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lenses::{LensOver, LensView},
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Optics,
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};
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impl<L, A> std::ops::FnOnce<(A,)> for Optics<L>
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where
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L: LensView<A>,
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{
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type Output = L::Field;
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extern "rust-call" fn call_once(self, args: (A,)) -> Self::Output {
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L::view(args.0)
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}
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}
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impl<L, A> std::ops::FnMut<(A,)> for Optics<L>
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where
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L: LensView<A>,
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{
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extern "rust-call" fn call_mut(&mut self, args: (A,)) -> Self::Output {
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L::view(args.0)
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}
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}
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impl<L, A> std::ops::Fn<(A,)> for Optics<L>
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where
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L: LensView<A>,
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{
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extern "rust-call" fn call(&self, args: (A,)) -> Self::Output {
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L::view(args.0)
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}
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}
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impl<L, A, F> std::ops::FnOnce<(A, F)> for Optics<L>
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where
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L: LensOver<A>,
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F: FnOnce(L::Field) -> L::Field,
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{
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type Output = A;
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extern "rust-call" fn call_once(self, args: (A, F)) -> Self::Output {
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L::over(args.0, args.1)
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}
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}
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impl<L, A, F> std::ops::FnMut<(A, F)> for Optics<L>
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where
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L: LensOver<A>,
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F: FnOnce(L::Field) -> L::Field,
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{
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extern "rust-call" fn call_mut(&mut self, args: (A, F)) -> Self::Output {
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L::over(args.0, args.1)
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}
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}
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impl<L, A, F> std::ops::Fn<(A, F)> for Optics<L>
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where
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L: LensOver<A>,
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F: FnOnce(L::Field) -> L::Field,
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{
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extern "rust-call" fn call(&self, args: (A, F)) -> Self::Output {
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L::over(args.0, args.1)
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}
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}
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