Yasuo Ohgaki wrote (on 05/02/2014):
JavaScript implementations have different APIs. Node.js has closer API.
[...]
assert(
function() {
// Some check here
return FALSE;
},
'Error'
);
I would use at least, since I don't want to assert() related code to use
variable scope nor namespace.
assert ( function() {
var assert_private_var = some_function();
return arg == assert_private_var;
}, 'oops' );
}
In PHP, there is no notion of inherited scope, so this would *not* work:
function foo($arg)
{
assert ( function() {
$assert_private_var = some_function();
return $arg == $assert_private_var;
}, 'oops' );
}
Since an assertion that can't actually check any state is useless for anything other than assert(false, 'Should never happen'), you'd always have to have a use() importing things:
function foo($arg)
{
assert ( function() use ($arg) {
$assert_private_var = some_function();
return $arg == $assert_private_var;
}, 'oops' );
}
That's a lot of boilerplate and room for mistakes, IMHO.
Of course, if we could fix the parser to evaluate functions as soon as they're defined like in JS, you could make the whole thing into an expression which would work with the current (and proposed) assert:
function foo($arg)
{
assert ( (function() use ($arg) {
$assert_private_var = some_function();
return $arg == $assert_private_var;
})(), 'oops' );
}
Not pretty, but it would give you your local scope.
Regards,
--
Rowan Collins
[IMSoP]