[Issue 20568] Unable to convert string to int or uint ... if string having underscore character but work with float ....

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20568

Basile-z <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
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                 CC|                            |b2.temp at gmx.com

--- Comment #1 from Basile-z <b2.temp at gmx.com> ---
In theory underscores should throw when found in an argument of `to!float`.

This other issue (https://issues.dlang.org/show_bug.cgi?id=9797) was closed for
the rationale that is that std.conv.to is not made to handle special D flavors
of number literals but is rather a generic handler. 

Note that octal and hexString handle underscores for another reason, that is
that they were made specifically to replace literals.

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