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O_DRA_META - In pl-vmi.c, specially marked predicates get a wrapper that implements something written on prolog #5

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TeamSPoon opened this issue Feb 8, 2016 · 0 comments

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@TeamSPoon
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O_DRA_META

In pl-vmi.c, specially marked predicates get a wrapper that implements something written on prolog.
This is used as a fast inroad to the tabling system

ffooo:-writeln(‘foo’).
barrr(G):- writen(‘Calling‘:G),G.
?- '$set_pattr'(ffooo, pred, dra_meta=barrr),ffooo.
 Calling:ffooo
 foo 
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