Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.5.6
    • Fix Version/s: 1.6-rc-1, 1.5.8, 1.7-beta-1
    • Component/s: None
    • Labels:
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      Description

      GStrings show surprising behaviour when used as keys in collections or in comparisons. This lead to a lot of issues, e.g. (GROOVY-626, GROOVY-2332, GROOVY-2330, GROOVY-951, GROOVY-2660, GROOVY-1959). The situation is even worse with lazy evaluation of closures in GStrings (see attached script).

      So either

      Document that the user should

      • use GString#toString() instead of putting GString (as a key) into a collection, and
      • use GString#toString() instead of GString in comparisons with a String.

      Or

      Coerce arguments that are instanceof GString to String if the receiving parameter's type is not GString or a type derived from GString.

      I would prefer 1. over 2.

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            • Assignee:
              Guillaume Guillaume Delcroix
              Reporter:
              veita Alexander Veit
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              • Created:
                Updated:
                Resolved: