PETSc version 3.17.0
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# PetscExpandToNothing

Expands to absolutely nothing at all

### Synopsis

    #include <petscmacros.h>
    void PetscExpandToNothing(...)

### Input Parameter

| __VA_ARGS__ | - Anything at all

### Notes

Not available from Fortran, requires variadic macro support, definition is disabled by defining PETSC_SKIP_VARIADIC_MACROS.

Must have at least 1 parameter.

### Example usage

      PetscExpandToNothing(a,b,c) -> *nothing*

### See Also

PetscConcat(), PetscDefined(), PetscStringize(), PetscExpand()

### Level

beginner

### Location

include/petscmacros.h
Index of all Sys routines
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