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YAP 7.1.0
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| class create_prolog_flag/3 |
create_prolog_flag( +Flag, +Value, +Options)
Create a new YAP Prolog flag Options include
type(+_Type_) with Type one of boolean, integer, float, atom and term (that is, any ground term)
access(+_Access_) with Access one of read_only or read_write
`keeep(+_Keep_) protect existing flag