The database prolog library - pf-lang/pipefish GitHub Wiki

Types

Prolog = wrapper *Interpreter

Commands

add(P Prolog, s string) :

Adds a fact or a rule.

add(P Prolog, S snippet) :

Ditto.

Functions

Prolog -> Prolog :

Initializes an empty interpreter.

Prolog(s string) -> Prolog :

Initializes the interpreter from a string.

Prolog(S snippet) :

Initializes the interpreter from a snippet.

query(P Prolog, s string / snippet) :

Returns the result of a query.

check(P Prolog, s string / snippet) -> bool / error :

Tests if solutions to a query exist.

count(P Prolog, s string / snippet) -> int / error :

Counts the number of solutions to a query.

Notes

This page is automatically generated from the Pipefish standard library. Any edits made directly to this wiki page will be overwritten the next time the documentation is regenerated.

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