On Sunday, October 16, 2016 at 2:56:42 PM UTC-7, Ian Lance Taylor wrote:
>
>
> > A function to insert a byte into a slice is conspicuous by its absence.
>
> It's a one-liner.
> append(s[:p], append([]byte{b}, s[p:]...)...)
>
This is already gobbledygook :) Does that read "Insert" to you? It doesn't
to me.
> it's easy enough to write a helper function yourself.
>
Of course, but two reasons for the stdlib are:
foster semantic clarity in client code
prevent innumerable variations across packages in the name and signature
of a common function
To argue that this should go into the standard library, look at some
> corpus of Go code and find out how often it occurs. If it occurs
> fairly often, you've got a good case.
>
Fairly often; i.e. as often as Replace or Trim*? In my experience it passes
that test.
That Insert and Delete are missing implies to me that there is something
strange about such operations.
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