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Diffstat (limited to 'dhall/src/semantics/nze/lazy.rs')
-rw-r--r--dhall/src/semantics/nze/lazy.rs21
1 files changed, 17 insertions, 4 deletions
diff --git a/dhall/src/semantics/nze/lazy.rs b/dhall/src/semantics/nze/lazy.rs
index d361313..550f69a 100644
--- a/dhall/src/semantics/nze/lazy.rs
+++ b/dhall/src/semantics/nze/lazy.rs
@@ -35,6 +35,22 @@ where
let _ = lazy.tgt.set(tgt);
lazy
}
+
+ pub fn force(&self) -> &Tgt {
+ self.tgt.get_or_init(|| {
+ let src = self.src.take().unwrap();
+ src.eval()
+ })
+ }
+
+ pub fn get_mut(&mut self) -> &mut Tgt {
+ self.force();
+ self.tgt.get_mut().unwrap()
+ }
+ pub fn into_inner(self) -> Tgt {
+ self.force();
+ self.tgt.into_inner().unwrap()
+ }
}
impl<Src, Tgt> Deref for Lazy<Src, Tgt>
@@ -43,10 +59,7 @@ where
{
type Target = Tgt;
fn deref(&self) -> &Self::Target {
- self.tgt.get_or_init(|| {
- let src = self.src.take().unwrap();
- src.eval()
- })
+ self.force()
}
}