Diffstat (limited to 'src/build.rs')
| -rw-r--r-- | src/build.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/build.rs b/src/build.rs index 1c28354..b5dfc75 100644 --- a/src/build.rs +++ b/src/build.rs @@ -1,3 +1,5 @@ +use core::any::TypeId; + use crate::protocol::Implementer; /// A type buildable from a walker. @@ -18,4 +20,6 @@ pub trait Builder<'ctx>: Default { /// Finish the value. fn build(self) -> Result<Self::Value, Self::Error>; + + fn accepts(id: TypeId) -> bool; } |