chore(tazjin/rlox): Add From<Error> for Vec<Error> r/2236

This makes it easier to transition between the single/multi error
functions via ?

Change-Id: Ie027f4700da463a549be6f0d4a0022a9b8dc0d61
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2555
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>

1 files changed, 8 insertions, 0 deletions

diff --git a/users/tazjin/rlox/src/bytecode/errors.rs b/users/tazjin/rlox/src/bytecode/errors.rs
index 513708df7e..99b2aa406c 100644
--- a/users/tazjin/rlox/src/bytecode/errors.rs
+++ b/users/tazjin/rlox/src/bytecode/errors.rs
@@ -37,4 +37,12 @@ impl From<ScannerError> for Error {
     }
 }
 
+// Convenience implementation as we're often dealing with vectors of
+// errors (to report as many issues as possible before terminating)
+impl From<Error> for Vec<Error> {
+    fn from(err: Error) -> Self {
+        vec![err]
+    }
+}
+
 pub type LoxResult<T> = Result<T, Error>;