[Issue 18105] std.conv.parse!wchar cannot take a string

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18105

dechcaudron+dlang.issue.tracking at protonmail.com changed:

           What    |Removed                     |Added
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           Assignee|nobody at puremagic.com        |dechcaudron+dlang.issue.tra
                   |                            |cking at protonmail.com

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