Range operator with char returns unexpected value

Steps to reproduce

[char]'a'..[char]'e'

Expected behavior

# Char array ([char]'a', [char]'b', [char]'c', [char]'d', [char]'e')
a
b
c
d
e

Actual behavior

# Int array (97, 98, 99, 100, 101)
97
98
99
100
101

Environment data

> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      6.0.0-rc.2
PSEdition                      Core
GitCommitId                    v6.0.0-rc.2
OS                             Microsoft Windows 10.0.15063
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

Oddly the actual behavior matches Windows PowerShell results. So changing this might break a few scripts that otherwise might work when on PowerShell 6.
I still think it should be modified to give the expected results, but wanted to call out that [char]'a'..[char]'e' did work in previous versions of PowerShell by returning 97-101.

FireInWinter

FireInWinter Thanks! I'll label the fix as Breaking change.

Is it a bug at all? The operator casts operands to integers and then increments. The result is integers. This looks fine (to me).

What about 1.1 .. 9.1? Should it work with doubles or not?

It is bug for PowerShell Core not for Windows PowerShell. Windows PowerShell support only [Int]. PowerShell Core support [char].
It would works with doubles if doubles had an enumerator.

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Range operator with char returns unexpected value #5731

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Range operator with char returns unexpected value #5731

Description

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Actual behavior

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FireInWinter commented on Jan 3, 2018

iSazonov commented on Jan 4, 2018

nightroman commented on Jan 4, 2018

iSazonov commented on Jan 4, 2018

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