Clojure

range's behavior is inconsistent

Details

  • Type: Defect Defect
  • Status: Closed Closed
  • Priority: Minor Minor
  • Resolution: Completed
  • Affects Version/s: Release 1.1, Release 1.2, Release 1.3, Release 1.4, Release 1.5
  • Fix Version/s: Release 1.5, Release 1.6
  • Component/s: None
  • Labels:
  • Patch:
    Code and Test
  • Approval:
    Ok

Description

Problem statement: The current behavior of range is inconsistent. (range 0 9 0) has always produced (). (range 0 9 -1) has always produced (). (range 9 0 1) has always produced (). However, (range 9 0 0) produces (9 9 9 9 ...), and (range 0 0 0) produces '(0 0 0 0 ...)

Proposal: Make the behavior of range consistent when using a step of 0 to make it produce an empty list.

Please see attached code and patch.

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Dates

  • Created:
    Updated:
    Resolved: