tract_api/
macros.rs

1#[macro_export]
2macro_rules! as_inference_fact_impl {
3    ($IM:ident, $IF: ident) => {
4        impl AsFact<$IM, $IF> for $IF {
5            fn as_fact(&self, _model: &$IM) -> Result<boow::Bow<$IF>> {
6                Ok(boow::Bow::Borrowed(self))
7            }
8        }
9
10        impl AsFact<$IM, $IF> for &str {
11            fn as_fact(&self, model: &$IM) -> Result<boow::Bow<$IF>> {
12                Ok(boow::Bow::Owned($IF::new(model, self)?))
13            }
14        }
15
16        impl AsFact<$IM, $IF> for () {
17            fn as_fact(&self, model: &$IM) -> Result<boow::Bow<$IF>> {
18                Ok(boow::Bow::Owned($IF::new(model, "")?))
19            }
20        }
21
22        impl AsFact<$IM, $IF> for Option<&str> {
23            fn as_fact(&self, model: &$IM) -> Result<boow::Bow<$IF>> {
24                if let Some(it) = self {
25                    Ok(boow::Bow::Owned($IF::new(model, it)?))
26                } else {
27                    Ok(boow::Bow::Owned($IF::new(model, "")?))
28                }
29            }
30        }
31    };
32}
33
34#[macro_export]
35macro_rules! as_fact_impl {
36    ($M:ident, $F: ident) => {
37        impl AsFact<$M, $F> for $F {
38            fn as_fact(&self, _model: &$M) -> Result<boow::Bow<$F>> {
39                Ok(boow::Bow::Borrowed(self))
40            }
41        }
42
43        impl AsFact<$M, $F> for &str {
44            fn as_fact(&self, model: &$M) -> Result<boow::Bow<$F>> {
45                Ok(boow::Bow::Owned($F::new(model, self)?))
46            }
47        }
48    };
49}
tract_api/macros.rs

tract_api/
macros.rs
