refactor(tvix/eval): consume `self` in Evaluation::evaluate r/5445

This simplifies lifetime management for observers in callers of tvix_eval.

Change-Id: I2f47c8d89f22b1c766526e5d1483c0d026b500ae
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7546
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI

1 files changed, 2 insertions, 2 deletions

diff --git a/tvix/cli/src/main.rs b/tvix/cli/src/main.rs
index 1c148cad38..75142d620c 100644
--- a/tvix/cli/src/main.rs
+++ b/tvix/cli/src/main.rs
@@ -20,10 +20,10 @@ struct Args {
 /// and the result itself. The return value indicates whether
 /// evaluation succeeded.
 fn interpret(code: &str, path: Option<PathBuf>) -> bool {
-    let mut eval = tvix_eval::Evaluation::new(code, path);
+    let eval = tvix_eval::Evaluation::new(code, path);
+    let source_map = eval.source_map();
     let result = eval.evaluate();
 
-    let source_map = eval.source_map();
     for error in &result.errors {
         error.fancy_format_stderr(&source_map);
     }