length

src/parse/mod.rs

@@ -421,7 +421,15 @@ fn parse_assign_after_zhe3(mut iter: &mut LexIter<'_>) -> Result<Rvalue, Error>
                                 Err(Error::SomethingWentWrong(here!()))
                             }
 
-                        } // not in spec.html but I believe it exists
+                        } // not in spec.html but it exists
+                        lex::Lex::Chang2 => {
+                            if let lex::Lex::Shi4Yi3 = iter.next().ok_or(Error::UnexpectedEOF)? {
+                                Ok(Rvalue::Length(data))
+                            } else {
+                                Err(Error::SomethingWentWrong(here!()))
+                            }
+
+                        } // not in spec.html but it exists
                         _ => Err(Error::SomethingWentWrong(here!())),
                     }
                 }

src/tests/mod.rs

@@ -386,6 +386,10 @@ fn test086() {
 fn test087() {
     test("test087")
 }
+#[test]
+fn test088() {
+    test("test088")
+}
 /// note that fail000.rs currently does not compile as a valid Rust program because of:
 /// * `{}` on `Vec<f64>`
 /// * ownership

test088.rs

@@ -0,0 +1,7 @@
+fn main() {
+    let mut JIA3 = vec![];
+    JIA3.push(3.0);
+    JIA3.push(5.0);
+    let mut YI3 = 1.0;
+    YI3 = (JIA3.len() as f64);
+}

test088.wy

@@ -0,0 +1,3 @@
+吾有一列。名之曰「甲」。充「甲」以三。充「甲」以五。
+有數一。名之曰「乙」。
+昔之「乙」者今「甲」之長是矣