[Issue 15038] Associative Array .get property const vs immutable

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15038

Jon Degenhardt <jrdemail2000-dlang at yahoo.com> changed:

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--- Comment #1 from Jon Degenhardt <jrdemail2000-dlang at yahoo.com> ---
Some discussion in this thread:
https://forum.dlang.org/post/mailman.206.1457557607.26339.digitalmars-d@puremagic.com

The summary is that there can be performance implications if it is necessary to
copy a char[] to a string just to test for presence in the associative array.
This can happen when streaming text from an input source, as it's natural to
read as char[] (eg. File.byLine).

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