Picat String and I/O Operations Flashcards
6 cards from real Picat practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Picat String and I/O Operations flashcards as text
Which operator concatenates two strings or lists in Picat?
Answer: S1 ++ S2
In Picat, the `++` operator concatenates two strings or lists.
How are strings internally represented in Picat?
Answer: As lists of character codes
Strings in Picat are represented as lists of character codes (integers), similar to traditional Prolog.
Which built-in converts a number to its string representation in Picat?
Answer: to_string(N)
`to_string(N)` converts a number (or any term) to its string representation in Picat.
What does `split(Str, Sep)` return in Picat?
Answer: A list of substrings split by Sep
`split(Str, Sep)` returns a list of substrings produced by splitting Str on the separator Sep.
Which predicate reads a full line from standard input in Picat?
Answer: read_line(L)
`read_line(L)` reads one line from standard input and unifies it with L.
How do you obtain the length of a string in Picat?
Answer: length(S)
`length(S)` returns the number of elements in a list or characters in a string since strings are lists.