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  1. What's the difference between "bool" and "bool?"?

    Oct 5, 2016 · bool is a value type, this means that it cannot be null, so the Nullable type basically allows you to wrap value types, and being able to assign null to them. bool? can contain three …

  2. Difference between _Bool and bool types in C? - Stack Overflow

    Jan 4, 2012 · These data types were added in C99. Since bool wasn't reserved prior to C99, they use the _Bool keyword (which was reserved). bool is an alias for _Bool if you include …

  3. What is the difference between BOOL and bool? - Stack Overflow

    Dec 14, 2019 · The values for a bool are true and false, whereas for BOOL you can use any int value, though TRUE and FALSE macros are defined in the windef.h header. This means that …

  4. What is the difference between bool and Boolean types in C#

    Sep 25, 2008 · 2 bool is a primitive type, meaning that the value (true/false in this case) is stored directly in the variable. Boolean is an object. A variable of type Boolean stores a reference to a …

  5. c# - Convert nullable bool? to bool - Stack Overflow

    May 20, 2011 · How do you convert a nullable bool? to bool in C#? I have tried x.Value or x.HasValue ...

  6. Do the &= and |= operators for bool short-circuit? - Stack Overflow

    Apr 16, 2014 · bool allTrue = true; allTrue = allTrue && check_foo(); allTrue = allTrue && check_bar(); check_bar() will not be evaluated if check_foo() returned false. This is called …

  7. gcc - Is bool a native C type? - Stack Overflow

    Oct 22, 2009 · 436 bool exists in the current C - C99, but not in C89/90. In C99 the native type is actually called _Bool, while bool is a standard library macro defined in stdbool.h (which …

  8. Is there any difference between && and & with bool (s)?

    Jul 5, 2011 · In C++, is there any difference between doing && (logical) and & (bitwise) between bool (s)? bool val1 = foo(); bool val2 = bar(); bool case1 = val1 & val2; bool case2 = val1 && …

  9. How do I correctly use a bool with an if statement?

    The bool is "hidden" behind a nullable object, so you access the bool using Value. First, you need to check HasValue and if that is true, access the bool via Value.

  10. boolean - Why is bool 8 bits long in C++? - Stack Overflow

    In C++, why is the bool type 8 bits long (on my system)? Only one bit is enough to hold the Boolean value. I used to believe it was for performance reasons, but then on a 32 bits or 64 …