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Questions - void

dereferencing function pointer to function returning void throws error: void value not ignored as it ought to be

I am a beginner in C language. Read various SO threads on function pointers. For instance, How does dereferencing of a function pointer happen, Function Pointer - Automatic Dereferencing [duplicate], ...
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Singh

c

function-pointers

void

dereference

function-call

Votes: 0

Answers: 1

Latest Answer

This expression statement *recurse(2); is equivalent to *( recurse(2) ); So as the return type of the function is void then you are trying to dereference the type void. It seems you mean ( *recurs...
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Vlad from Moscow

Why my non void function in C not working ? "mode" is a variable in my program and when i call the function " Inc ( mode ) " nothing happen

//increment variables between high & low limits , temp variable , m high limit int Inc ( unsigned char temp , unsigned char m ) { temp++ ; if (temp == m) temp = 0 ; ...
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amms129

c

function

void

Votes: 0

Answers: 1

Latest Answer

The temp parameter is a local variable of the Inc function. You want either this: void Inc ( unsigned char *temp , unsigned char m ) { (*temp)++ ; if ((*temp) == m) (*temp) = 0 ; } .....
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Jabberwocky

What happens when opeator= returns void rather than T&?

In operator overloading, the assignment operator is normally defined as follows: T& T::operator =(const T2& b); which returns T& as result. But I want to know what happens when we return ...
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Afshin

c++

void

return-type

assignment-operator

c++

void

return-type

assignment-operator

Votes: 0

Answers: 1

Latest Answer

You won't be able to chain assignments a = b = c; (Nor introduce more complicated cases, like (a = b).method(); or if((a = b));.) OTOH, with void return type you don't need the ubiquitous return *thi...
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bipll

"Function expression, which lacks return-type annotation, implicitly has an 'any' return type" when adding void operation

I am having a strange issue on TypeScript. I recently learnt about void ... operator because I need to apply it so eslint wouldn't report no-floating-promises. However this particular snippet somehow ...
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Luke Vo

typescript

function

void

any

Votes: 0

Answers: 2

Latest Answer

See microsoft/TypeScript#36651 for an authoritative answer. Your issue is that you have enabled the --noImplicitAny compiler option but you have not enabled the --strictNullChecks compiler option. Yo...
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jcalz

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