[Issue 13717] `split` no longer defined by std.string

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13717

--- Comment #14 from Илья Ярошенко <ilyayaroshenko at gmail.com> ---
This is not good solution:
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import std.array;
import std.string;

"foo bar".split(); //Error: much more then one template
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