Dynamic variable assignment by recursion or loop?
Fri Jul 3 11:48:01 CEST 2020
On Fri, Jul 03, 2020 at 10:43:22AM +0100, Hugo Mills wrote:
> There's a tuple_to_list/1 function. Use that to start with, and
> then you can map over the list to generate a list of size/value
> binaries, converting one at a time. Then finally fold over that list
> to produce the final binary.
> Alternatively, require the input to be a list in the first place,
> and you can skip the tuple_to_list/1 part. (But the rest is still
Sorry, just realised I should have added:
More fundamentally, work out how to do *one* thing (convert a
string to a length+data binary), then use the list functions to
map/filter/fold many of those into one result.
Occasionally, you'll have to write a recursive function directly,
but it's rarer than you might think.
Hugo Mills | Well, sir, the floor is yours. But remember, the
hugo@REDACTED carfax.org.uk | roof is ours!
PGP: E2AB1DE4 | The Goons
More information about the erlang-questions