make ++ append lists (#6766)

* make `++` append lists * fmt * fix for database
2022-10-20 18:28:18 +08:00
parent 50e53e788a
commit 5e748ae8fc
8 changed files with 104 additions and 2 deletions
--- a/crates/nu-command/src/database/values/dsl/expression.rs
+++ b/crates/nu-command/src/database/values/dsl/expression.rs
@ -124,7 +124,8 @@ impl CustomValue for ExprDb {
            | Operator::ShiftLeft
            | Operator::ShiftRight
            | Operator::StartsWith
-            | Operator::EndsWith => Err(ShellError::UnsupportedOperator(operator, op)),
+            | Operator::EndsWith
+            | Operator::Append => Err(ShellError::UnsupportedOperator(operator, op)),
        }?;

        let expr = Expr::BinaryOp {