assert block that gives you debugging infodata:image/png;base64,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assert block that gives you debugging infoevaluate each argument on its ownreturn if the predicate is true (assertion succeeded)error messageerror messageassertion `' failedotherwise, build a nice error message and throw it1err_error(msg)apologies for this nasty nested IF/ELSEif item is a reporter or predicate then return the result of calling it,
if item is a list where the head is a reporter or predicate, join it and return the result of calling it,
otherwise return item as-is11Takes a (possibly deep) list as input,
and reports a human-readable text form
of the list (namely, Lisp notation).
Will not work on circular lists.ca:notació textual de _
()can't make this properly printable: Throw an error.
Makes a red halo appear around the script that runs it,
with the input text shown in a speech balloon next to
the script, just like any Snap! error.
This is useful to put in the second script of SAFELY TRY
after some other instructions to undo the partial work of
the first script.pt:lança o erro _
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D7AQIECBAgEAgIcIBukgABAgQIHLFxAWmhEwHPAAAAAElFTkSuQmCC