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Pack simple_template -- prolog/st/st_expr.pl
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Evaluates expression. Allows registering of global constants and user-defined functions.

 st_set_function(+Name, +Arity, :Goal) is det
Registers new function. Goal must have arity Arity + 1. Last argument of goal is used as the return value.
 st_set_global(+Name, +Value) is det
Sets the global value. Value must be ground. Overwrites the existing global with the same name.

Undocumented predicates

The following predicates are exported, but not or incorrectly documented.

 st_eval(Arg1, Arg2, Arg3, Arg4)