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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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3
Task/Determine-if-a-string-is-numeric/Prolog/determine-if-a-string-is-numeric-1.pro Normal file
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numeric_string(String) :-
atom_string(Atom, String),
atom_number(Atom, _).

8
Task/Determine-if-a-string-is-numeric/Prolog/determine-if-a-string-is-numeric-2.pro Normal file
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test_strings(Strings) :-
forall( member(String, Strings),
( ( numeric_string(String)
-> Result = a
; Result = 'not a' ),
format('~w is ~w number.~n', [String, Result])
)
).

7
Task/Determine-if-a-string-is-numeric/Prolog/determine-if-a-string-is-numeric-3.pro Normal file
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?- test_strings(["123", "0.123", "-123.1", "NotNum", "1."]).
123 is a number.
0.123 is a number.
-123.1 is a number.
NotNum is not a number.
1. is not a number.
true.