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									< meta  http-equiv = "content-type"  content = "text/html; charset=iso-8859-1"  / > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
									< title > Logtalk predicate directive: public/1< / title > 
							 
						 
					
						
							
								
									
										
										
										
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								< a  href = "../../index.html" > contents< / a >  >  < a  href = "../index.html" > reference manual< / a >  >  < a  href = "../index.html#directives" > directives< / a > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
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								< h2 > < code > public/1< / code > < / h2 > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
									
										
										
										
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								< h4 > Description< / h4 > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< blockquote > 
							 
						 
					
						
							
								
									
										
										
										
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								< pre > public(Functor/Arity)
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								public(Functor1/Arity1, Functor2/Arity2, ...)
							 
						 
					
						
							
								
									
										
										
										
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								public([Functor1/Arity1, Functor2/Arity2, ...])
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								public(Functor//Arity)
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								public(Functor1//Arity1, Functor2//Arity2, ...)
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								public([Functor1//Arity1, Functor2//Arity2, ...])< / pre > 
							 
						 
					
						
							
								
									
										
										
										
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								< p > 
							 
						 
					
						
							
								
									
										
										
										
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								Declares public predicates and public grammar rule non-terminals. A public predicate can be called from any object. A public non-terminal can be used as an argument in < a  title = "Consult reference manual"  href = "../methods/phrase2.html" > < code > phrase/2< / code > < / a >  and < a  title = "Consult reference manual"  href = "../methods/phrase3.html" > < code > phrase/3< / code > < / a >  messages sent from any object.
							 
						 
					
						
							
								
									
										
										
										
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								< / p > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / blockquote > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< h4 > Template and modes< / h4 > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< blockquote > 
							 
						 
					
						
							
								
									
										
										
										
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								< pre > public(+predicate_indicator_term)
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								public(+non_terminal_indicator_term)< / pre > 
							 
						 
					
						
							
								
									
										
										
										
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								< / blockquote > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< h4 > Examples< / h4 > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< blockquote > 
							 
						 
					
						
							
								
									
										
										
										
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								< pre > :- public(ancestor/1).
							 
						 
					
						
							
								
									
										
										
										
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								:- public(instance/1, instances/1).
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
									
										
										
										
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								:- public([leaf/1, leaves/1]).< / pre > 
							 
						 
					
						
							
								
									
										
										
										
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								< / blockquote > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
									
										
										
										
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								< a  href = "protected1.html" > previous< / a >  | < a  href = "../../glossary.html" > glossary< / a >  | < a  href = "uses2.html" > next< / a > 
							 
						 
					
						
							
								
									
										
										
										
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								< div  class = "copyright" > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								Copyright ©  < a  href = "mailto:pmoura@logtalk.org" > Paulo Moura< / a >  —  < a  href = "http://www.logtalk.org" > Logtalk.org< / a > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
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								< p > < span  class = "bleft" > < a  href = "http://validator.w3.org/check/referer" > XHTML< / a >  + < a  href = "http://jigsaw.w3.org/css-validator/check/referer" > CSS< / a > < / span > < span  class = "bright" > Last updated on: October 4, 2004< / span > < / p > 
							 
						 
					
						
							
								
									
										
										
										
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