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-protocol/src/ast/operator.rs
+++ b/crates/nu-protocol/src/ast/operator.rs
@ -14,6 +14,7 @@ pub enum Operator {
    RegexMatch,
    NotRegexMatch,
    Plus,
+    Append,
    Minus,
    Multiply,
    Divide,
@ -43,6 +44,7 @@ impl Display for Operator {
            Operator::RegexMatch => write!(f, "=~"),
            Operator::NotRegexMatch => write!(f, "!~"),
            Operator::Plus => write!(f, "+"),
+            Operator::Append => write!(f, "++"),
            Operator::Minus => write!(f, "-"),
            Operator::Multiply => write!(f, "*"),
            Operator::Divide => write!(f, "/"),