On Friday, 16 October 2015 at 12:43:59 UTC, Meta wrote:
On Friday, 16 October 2015 at 10:38:52 UTC, Shriramana Sharma wrote:
Is there a particular reason that File.byLine() returns char[] and not string i.e. immutable(char)[]? Is it just to avoid being overly restrictive? It seems that having to .idup it is inefficient...

byLine reuses an internal buffer for each line which gets overwritten each iteration. The fact that it returns char instead of string is meant to signal this to the user, to tell them that the value they're getting back is mutable and subject to change.

Sorry, but could you explain more simply? I reread all information, bit can't understand about what buffer you are talking. And what is "signal"? How it's working?

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