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How do I convert an int to a string? Example: 1 to "1".
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You can compare strings with the usal comparison operators: = , <> , < , <= , > , >= . You can also use the compare function, which returns -1 if the first string is less than the second, 1 if the first string is greater than the second, and 0 if they are equal.
The (^) binary operator concatenates two strings.
Use the function string_of_int (see the documentation for Pervasives, the module containing the functions that are automatically made available in the top level namespace to al OCaml programs).
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Another solution is to use the module Printf, which allows you to choose the format of printing:
Printf.sprintf "%d" 42 gives you "42".
But you might prefer using an octal, hexadecimal, binary, etc representation. For instance,
Printf.sprintf "%x" 42 gives you "2a" which is the hexadecimal representation of 42.
Printf.sprintf "0x%x" 42 would give you "0x2a".
See the Printf documentation for more details.
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