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 …
What is the difference between BOOL and bool? - Stack Overflow
Jun 21, 2011 · 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 …
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 …
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 ...
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 …
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 …
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 && …
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 …
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.
c - error: unknown type name ‘bool’ - Stack Overflow
C99 has a native boolean type called _Bool. The <stdbool.h> header provides a typedef for it called bool, along with true and false.