diff options
Diffstat (limited to 'tvix/eval/src/vm')
| -rw-r--r-- | tvix/eval/src/vm/mod.rs | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/tvix/eval/src/vm/mod.rs b/tvix/eval/src/vm/mod.rs index fd71dbacf480..902121ebc727 100644 --- a/tvix/eval/src/vm/mod.rs +++ b/tvix/eval/src/vm/mod.rs @@ -1202,6 +1202,7 @@ async fn resolve_with( // TODO(amjoseph): de-asyncify this async fn add_values(co: GenCo, a: Value, b: Value) -> Result<Value, ErrorKind> { + // What we try to do is solely determined by the type of the first value! let result = match (a, b) { (Value::Path(p), v) => { let mut path = p.to_string_lossy().into_owned(); @@ -1218,11 +1219,16 @@ async fn add_values(co: GenCo, a: Value, b: Value) -> Result<Value, ErrorKind> { .await .map(|s2| Value::String(s1.concat(&s2))) .into(), - (v, Value::String(s2)) => generators::request_string_coerce(&co, v, CoercionKind::Weak) - .await - .map(|s1| Value::String(s1.concat(&s2))) - .into(), - (a, b) => arithmetic_op!(&a, &b, +)?, + (a @ Value::Integer(_), b) | (a @ Value::Float(_), b) => arithmetic_op!(&a, &b, +)?, + (a, b) => { + let r1 = generators::request_string_coerce(&co, a, CoercionKind::Weak).await; + let r2 = generators::request_string_coerce(&co, b, CoercionKind::Weak).await; + match (r1, r2) { + (Ok(s1), Ok(s2)) => Value::String(s1.concat(&s2)), + (Err(c), _) => return Ok(Value::Catchable(c)), + (_, Err(c)) => return Ok(Value::Catchable(c)), + } + } }; Ok(result) |