Jeff King <peff@xxxxxxxx> writes:
> Note that there is one tricky part of config_bool, which is what
> config_bool('my.key', undef) should do (is it "default false" or "no
> default"?).
I am glad somebody finally got to the trick question I posed
earlier ;-)
But config_bool('key') and config_bool('key', undef) would both
return undef to say "The value is false" when key does not
exist, so it was not much of a trick. It does not make a
difference if the undef came because the default parameter was
undef, or because there was no default parameter given and the
built-in behaviour of config_bool() was to return undef for a
missing key.
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