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Task/Boolean-values/ALGOL-68/boolean-values.alg
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30
Task/Boolean-values/ALGOL-68/boolean-values.alg
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@ -0,0 +1,30 @@
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BOOL f = FALSE, t = TRUE;
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[]BOOL ft = (f, t);
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STRING or = " or ";
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FOR key TO UPB ft DO
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BOOL val = ft[key];
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UNION(VOID, INT) void = (val|666|EMPTY);
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REF STRING ref = (val|HEAP STRING|NIL);
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INT int = ABS val;
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REAL real = ABS val;
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COMPL compl = ABS val;
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BITS bits = BIN ABS val; # or bitspack(val); #
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BYTES bytes = bytes pack((val|"?"|null char)*bytes width);
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CHAR char = (val|"?"|null char);
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STRING string = (val|"?"|"");
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print((((val | "TRUE" | "FALSE" ), ": ", val, or, (val|flip|flop), new line)));
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print((" void: ", " => ", (void|(VOID):FALSE|TRUE), new line));
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print((" ref: ", " => ", ref ISNT REF STRING(NIL), new line));
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print((" int: ", int , " => ", int /= 0, new line));
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print((" real: ", real , " => ", real /= 0, new line));
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print((" compl: ", compl , " => ", compl /= 0, new line));
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print((" bits: ", bits , " => ", ABS bits /= 0, or, bits /= 2r0, or,
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bits width ELEM bits, or, []BOOL(bits)[bits width], new line));
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print((" bytes: """, STRING(bytes) , """ => ", 1 ELEM bytes /= null char, or,
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STRING(bytes) /= null char*bytes width, or,
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STRING(bytes)[1] /= null char, new line));
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print((" char: """, char , """ => ", ABS char /= 0 , or, char /= null char, new line));
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print(("string: """, string , """ => ", string /= "", or, UPB string /= 0, new line));
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print((new line))
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OD
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