:orphan:
# PetscExpandToNothing
Expands to absolutely nothing 
## Synopsis
```
#include <petscmacros.h>
void PetscExpandToNothing(...)
```
No Fortran Support


## Input Parameter

- ***__VA_ARGS__ -*** Anything at all





## Note
Must have at least 1 parameter.


## Example usage
```none
  PetscExpandToNothing(a,b,c) -> *nothing*
```



## See Also
 `PetscConcat()`, `PetscDefined()`, `PetscStringize()`, `PetscExpand()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscmacros.h.html#PetscExpandToNothing">include/petscmacros.h</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petscmacros.h)


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