Can't recreate a range?
simen.kjaras at gmail.com
Thu Apr 30 13:51:14 UTC 2020
On Thursday, 30 April 2020 at 13:23:25 UTC, Paul Backus wrote:
> On Thursday, 30 April 2020 at 13:04:47 UTC, Casey wrote:
>> Here's a minimal code example that duplicates the issue:
>> import std.array, std.range, std.stdio, std.traits, std.string;
>> auto readStream(Range)(auto ref Range r) if
>> struct StreamRange(Range)
>> alias R = Unqual!Range;
>> R _input;
>> auto buff = appender!string;
> Using a default value like this means that it will be shared
> among all instances of the struct. Instead, you should set
> `buff = appender!string` in the constructor, so that each
> struct will have its own appender.
Yup, that's the one. No need to assign it at all, in fact - the
line can be replaced with
And things just work.
More information about the Digitalmars-d-learn