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yap-6.3/docs/md/builtins.md

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YAP Core Built-ins

@brief This chapter describes the core built-in predicates that control the execution of Prolog programs, provide fundamental functionality such as termm manipulation or arithmetic, and support interaction with external resources,

Many of the predicates described here have been standardised by the International Standard Organization. The corresponding standartised subset of Prolog also known as ISO-Prolog.
In the description of the arguments of predicates the following notation will be used:

  • a preceding plus sign will denote an argument as an "input argument" - the argument is read, not written, and it cannot be a free variable at the time of the call;

  • a preceding minus sign will denote an "output argument";

  • an argument with no preceding symbol can be used in both ways.

  • @ref AbsoluteFileName

  • @ref CompilerAnalysis

  • @ref New_Style_Attribute_Declarations

  • @ref YAPControl

  • @ref Profiling

  • @ref Call_Counting

  • @ref YAPConsulting

  • @ref YAPReadFiles

  • @ref ModPreds

  • @ref Conditional_Compilation

  • @ref YAPBigLoad

  • @ref Deb_Interaction

  • @ref DepthLimited

  • @ref Dialects

  • @ref Directives

  • @ref EAM

  • @ref SWI-error

  • @ref YAPErrorHandler

  • @ref CompiledExpression

  • @ref YAPFlags

  • @ref Grammars

  • @ref Hacks

  • @ref Listing

  • @ref LoadForeign

  • @ref Messages

  • @ref YAPMetaPredicates

  • @ref ModuleBuiltins

  • @ref YAPOS

  • @ref pathconf

  • @ref YAPPredDecls

  • @ref Database

  • @ref The_Count_Profiler

  • @ref QLY

  • @ref Sets

  • @ref Deb_Preds

  • @ref Statistics

  • @ref Tabling

  • @ref Threads

  • @ref TopLevel

  • @ref Undefined_Procedures

  • @ref MixBag

  • @ref InputOutput

  • @ref IO_Sockets

  • @ref ypp