Support in operator for record and value stream

crates/nu-parser/src/type_check.rs

@@ -277,6 +277,7 @@ pub fn math_result_type(
                 (t, Type::List(u)) if type_compatible(t, u) => (Type::Bool, None),
                 (Type::Int | Type::Float, Type::Range) => (Type::Bool, None),
                 (Type::String, Type::String) => (Type::Bool, None),
+                (Type::String, Type::Record(_, _)) => (Type::Bool, None),
 
                 (Type::Unknown, _) => (Type::Bool, None),
                 (_, Type::Unknown) => (Type::Bool, None),

crates/nu-protocol/src/value/mod.rs

@@ -1066,9 +1066,25 @@ impl Value {
                 span,
             }),
             (lhs, Value::List { vals: rhs, .. }) => Ok(Value::Bool {
-                val: rhs
-                    .iter()
-                    .any(|x| lhs.eq(Span::unknown(), x).map_or(false, |v| v.is_true())),
+                val: rhs.iter().any(|x| {
+                    matches!(
+                        lhs.eq(Span::unknown(), x),
+                        Ok(Value::Bool { val: true, .. })
+                    )
+                }),
+                span,
+            }),
+            (Value::String { val: lhs, .. }, Value::Record { cols: rhs, .. }) => Ok(Value::Bool {
+                val: rhs.contains(lhs),
+                span,
+            }),
+            (lhs, Value::Stream { stream: rhs, .. }) => Ok(Value::Bool {
+                val: rhs.clone().any(|x| {
+                    matches!(
+                        lhs.eq(Span::unknown(), &x),
+                        Ok(Value::Bool { val: true, .. })
+                    )
+                }),
                 span,
             }),
             _ => Err(ShellError::OperatorMismatch {

src/tests.rs

@@ -608,3 +608,26 @@ fn int_in_exclusive_range() -> TestResult {
 fn non_number_in_range() -> TestResult {
     fail_test(r#"'a' in 1..3"#, "mismatched for operation")
 }
+
+#[test]
+fn string_in_record() -> TestResult {
+    run_test(r#""a" in ('{ "a": 13, "b": 14 }' | from json)"#, "true")
+}
+
+#[test]
+fn non_string_in_record() -> TestResult {
+    fail_test(
+        r#"4 in ('{ "a": 13, "b": 14 }' | from json)"#,
+        "mismatch during operation",
+    )
+}
+
+#[test]
+fn string_in_valuestream() -> TestResult {
+    run_test(
+        r#"
+    'Hello' in ("Hello
+    World" | lines)"#,
+        "true",
+    )
+}