mustAddGCRange

Indicates if an aggregate contains members that might be collected by the garbage collector. This is used in constructors to determine if the content of a manually allocated aggregate must be declared to the GC.

template mustAddGCRange (

) {

import std.traits : isPointer, isArray, isScalarType, hasUDA;;

static if(isScalarType!T)

enum mustAddGCRange;

static if(!(isScalarType!T))

static if(is(T == struct) || is(T == union))

enum mustAddGCRange;

static if(!(isScalarType!T))

static if(!(is(T == struct) || is(T == union)))

static if(is(T == U[], U) || is(T == class) || isPointer!T)

enum mustAddGCRange;

static if(!(isScalarType!T))

static if(!(is(T == struct) || is(T == union)))

static if(!(is(T == U[], U) || is(T == class) || isPointer!T))

static if(isArray!T)

static if(__traits(isStaticArray, T))

static if(T.length == 0)

enum mustAddGCRange;

static if(!(isScalarType!T))

static if(!(is(T == struct) || is(T == union)))

static if(!(is(T == U[], U) || is(T == class) || isPointer!T))

static if(isArray!T)

static if(__traits(isStaticArray, T))

static if(!(T.length == 0))

enum mustAddGCRange;

static if(!(isScalarType!T))

static if(!(is(T == struct) || is(T == union)))

static if(!(is(T == U[], U) || is(T == class) || isPointer!T))

static if(isArray!T)

static if(!(__traits(isStaticArray, T)))

enum mustAddGCRange;

}

Members

Manifest constants

mustAddGCRange enum mustAddGCRange;: Undocumented in source.
mustAddGCRange enum mustAddGCRange;: Undocumented in source.
mustAddGCRange enum mustAddGCRange;: Undocumented in source.
mustAddGCRange enum mustAddGCRange;: Undocumented in source.
mustAddGCRange enum mustAddGCRange;: Undocumented in source.
mustAddGCRange enum mustAddGCRange;: Undocumented in source.

Examples

@NoGc int[] slice;
import std.traits : hasUDA;
static assert(hasUDA!(slice, NoGc));
/+ TODO: static assert(!mustAddGCRange!(typeof(slice))); +/

static assert(!mustAddGCRange!int);
static assert(mustAddGCRange!(int*));
static assert(mustAddGCRange!(int*[1]));
static assert(!mustAddGCRange!(int*[0]));
static assert(mustAddGCRange!(int[]));

mustAddGCRange

Members

Manifest constants

Examples

Meta

Source