#Q 3.3-1) How do I specify a boolean as an argument in ff calls?
Q 3.3-1) How do I specify a boolean as an argument in ff calls?
A 3.3-1) Boolean works as a specifier in 6.0 (it did not in 5.0.1). Thus, this, for example, will work:
(ff:def-foreign-call foo ((x :int boolean)))
...
(foo t)
or
(foo anything-but-nil)
passes a true (non-zero) value to the foreign function foo, while
(foo nil)
passes false (0) to foo.
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