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  1. read_animal(X) :-
  2.   write('please type animal name:'),
  3.   nl,
  4.   read(X),
  5.   animal(X).
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
dogggg
compilation info 
/home/7lmnL0/gplcILG3gb.o: In function `predicate(read_animal/1)':
(.text+0x86): undefined reference to `predicate(animal/1)'
collect2: ld returned 1 exit status
compilation failed
stdout 
Standard output is empty
https://ideone.com/V2nlO
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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