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authorVincent Ambo <mail@tazj.in>2022-08-14T22·13+0300
committertazjin <tazjin@tvl.su>2022-08-31T22·26+0000
commit911fb96eca84a3059ecc11af9c3ac6fdacc28166 (patch)
tree78ac0f0206ffb91d0a695868db9273c9b94b597e /tvix
parent83e5f3b0d319c7f4d1f0bb85c39bbfe383d04637 (diff)
feat(tvix/eval): add Value::as_attrs method r/4555
Change-Id: I2f39122ac85b67837335aab308d845907160e132
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6221
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: grfn <grfn@gws.fyi>
Diffstat (limited to 'tvix')
-rw-r--r--tvix/eval/src/value/mod.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/tvix/eval/src/value/mod.rs b/tvix/eval/src/value/mod.rs
index f0cc86eedac4..6c0473fa6618 100644
--- a/tvix/eval/src/value/mod.rs
+++ b/tvix/eval/src/value/mod.rs
@@ -62,6 +62,16 @@ impl Value {
         }
     }
 
+    pub fn as_attrs(&self) -> EvalResult<&NixAttrs> {
+        match self {
+            Value::Attrs(attrs) => Ok(attrs),
+            other => Err(Error::TypeError {
+                expected: "set",
+                actual: other.type_of(),
+            }),
+        }
+    }
+
     pub fn to_string(self) -> EvalResult<NixString> {
         match self {
             Value::String(s) => Ok(s),