"tacit if" behaves more rationally... returns/keeps the null.
'no'"_`('yes'"_)@.] ''
'no'"_`('yes'"_)@.({.!.0) ''
no
On Saturday, June 20, 2020, 07:25:48 p.m. EDT, Paul Jackson
wrote:
I've grown accustomed to following some verbs with '' because there's no
way to write a niladic
FWIW comparing a number with a literal for equality is not an error but
always not equal
0 = 'a'
0
On Sun, Jun 21, 2020, 7:53 AM bill lam wrote:
> IIRC if. y do.
> is false only if the leading atom of y is 0, otherwise it is true. it
> should be already documented in J dictionary help file.
IIRC if. y do.
is false only if the leading atom of y is 0, otherwise it is true. it
should be already documented in J dictionary help file.
On Sun, Jun 21, 2020, 7:25 AM Paul Jackson wrote:
> I've grown accustomed to following some verbs with '' because there's no
> way to write a niladic
{.!.0
Henry Rich
On 6/20/2020 7:25 PM, Paul Jackson wrote:
I've grown accustomed to following some verbs with '' because there's no
way to write a niladic verb in J. Unfortunately I have a verb that uses its
argument to decide whether to update or not. That led me to learn the hard
way that ''
I've grown accustomed to following some verbs with '' because there's no
way to write a niladic verb in J. Unfortunately I have a verb that uses its
argument to decide whether to update or not. That led me to learn the hard
way that '' is true.
try=: 3 : 0
if. y do.
'yes'
else.
'no'
