add more tests

Author: timotheecour

tests/stdlib/trepr.nim

@@ -154,8 +154,7 @@ proc `'foo`(): int =
   discard
 
 proc `foo bar baz`(): int =
-  discard
-"""
+  discard"""
     doAssert a2 == a
 
   block: # bug #17292 repr with `(discard)` (`discard` would result in illegal code)
@@ -165,5 +164,30 @@ proc `foo bar baz`(): int =
 let f {.inject.} = () =>
     (discard )"""
 
+    let a2 = deb:
+      block:
+        discard
+      discard
+
+      block:
+        when true: discard
+
+      # let a = b => discard # illegal
+      discard b => (discard) # legal
+
+      block:
+        return
+    doAssert a2 == """
+block:
+  discard
+discard
+block:
+  when true:
+    discard
+discard b =>
+    (discard )
+block:
+  return"""
+
 static: main()
 main()