fixes #12224 (#12225)

* fixes #12224 * improve test
2019-09-21 05:45:27 +01:00 · 2019-09-21 05:45:27 +01:00 · be82d11576
commit be82d11576
parent c2fced129f
3 changed files with 31 additions and 5 deletions
--- a/tests/lent/tnot_allowed_lent.nim
+++ b/tests/lent/tnot_allowed_lent.nim
@ -0,0 +1,24 @@
+discard """
+  errmsg: "expression has no address"
+"""
+type
+  MyObject = object
+    x: seq[string]
+
+proc mytest1(s: MyObject, i: int): lent string =
+  ## works fine
+  if i < s.x.len - 1 and s.x[i] != "": 
+    result = s.x[i]
+  else: raise newException(KeyError, "err1")
+  
+proc mytest2(s: MyObject, i: int): lent string =
+  ## reject due to if expr
+  if i < s.x.len - 1 and s.x[i] != "": s.x[i]
+  else: raise newException(KeyError, "err1")
+
+for i in 1..5:
+  var x = MyObject(x: @["1", "2", "3"])
+  echo mytest1(x, 1)
+  echo mytest2(x, 1)
+
+