I'm generating a report where I wish to display some Boolean values. I thought I would try BoolToStr, as according to: https://www.freepascal.org/docs-html/rtl/sysutils/booltostr.html it states: Description BoolToStr converts the boolean B to one of the strings 'TRUE' or 'FALSE' So it should do exactly what I want. output the text string 'TRUE' or 'FALSE' depending on the Boolean state, but that is not what happens: Uses Sysutils; Begin Writeln(BooltoStr(True)); Writeln(BooltoStr(False)); End. Running "i:\booltostr.exe " -1 0 Why true is -1 instead of 1 is beyond me, but anyway, I would consider this BoolToInt, not BoolToStr, I want the Strings 'TRUE' or 'FALSE' as indicated in the documentation And BoolToInt should always output 0 or 1, not matter what operating system you are on.. I don't understand the -1. I guess some Windows API's use -1 for true.. I still don't understand. Maybe there should be a BoolToBit that could always be 0 or 1 regardless of the operating system. I know I can write my own simple function to do it the way I want, but why does this behavior not match the documentation? The whole point of having lots of little functions like FloatToStr, is so everyone doesn't have to keep writing the same functions over and over. James
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