Allow passing block literals to do (#4798)

crates/nu-command/src/core_commands/do_.rs

@@ -18,11 +18,7 @@ impl Command for Do {
  fn signature(&self) -> nu_protocol::Signature {
  Signature::build("do")
  .desc(self.usage())
- .required(
- "block",
- SyntaxShape::Block(Some(vec![])),
- "the block to run",
- )
+ .required("block", SyntaxShape::Any, "the block to run")
  .switch(
  "ignore-errors",
  "ignore errors as the block runs",
@@ -115,6 +111,20 @@ impl Command for Do {
  example: r#"do -i { thisisnotarealcommand }"#,
  result: None,
  },
+ Example {
+ description: "Run the block, with a positional parameter",
+ example: r#"do {|x| 100 + $x } 50"#,
+ result: Some(Value::test_int(150)),
+ },
  ]
  }
 }
+
+mod test {
+ #[test]
+ fn test_examples() {
+ use super::Do;
+ use crate::test_examples;
+ test_examples(Do {})
+ }
+}