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current_prolog_flag(?Flag, -Value)

Succeeds if the flag Flag has the value Value.

Flag: Atom or variable.
Value: Variable or term.

Description

A synonym for get_flag/2, for ISO-Prolog compatibility.

Refer to the specification of get_flag/2 for details about each flag.

Note: The iso_strict-version of this predicate only allows access to the ISO-Prolog-defined flags: bounded, char_conversion, double_quotes, integer_rounding_function, max_arity, min_integer, max_integer, unknown, debug.

Modes and Determinism

current_prolog_flag(-, -) is nondet
current_prolog_flag(+, -) is nondet

Fail Conditions

Fails if a flag with the given name is not set, or does not exist

Exceptions

(5) type error: Flag is neither an atom nor variable.

Examples