Re: Why leave the error handling to the caller?

Malcolm McLean said:

<snip>

No, the specification was to produce a function that filled out the
structure giving a list of strings, from an input consisting of a line
of strings separated by commas.

Separate the concept of a list of strings from the concept of input
parsing.

Now separate the concept of a list from the concept of a string.

Now the error handling is becoming manageable (you will recall that you
originally wrote that code to demonstrate that the error handling was a
PITN to write), and the program's complexity is being reduced as more
and more work is farmed out to re-usable library modules.

What you end up with is rather elegant (if done properly), and eminently
re-usable.

--
Richard Heathfield
"Usenet is a strange place" - dmr 29/7/1999
http://www.cpax.org.uk
email: rjh at the above domain, - www.
.

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