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Enum std.traits.Variadic

Determines what kind of variadic parameters function has.

enum Variadic : int { ... }

Enum members

NameDescription
c Function is a C-style variadic function, which uses core.stdc.stdarg
d Function is a D-style variadic function, which uses __argptr and __arguments.
no Function is not variadic.
typesafe Function is a typesafe variadic function.

Parameters

NameDescription
func function symbol or type of function, delegate, or pointer to function

Returns

enum Variadic

Example

void func() {}
static assert(variadicFunctionStyle!func == Variadic.no);

extern(C) int printf(in char*, ...);
static assert(variadicFunctionStyle!printf == Variadic.c);

Authors

Walter Bright, Tomasz Stachowiak (isExpressions), Andrei Alexandrescu, Shin Fujishiro, Robert Clipsham, David Nadlinger, Kenji Hara, Shoichi Kato

License

Boost License 1.0.