Cover

Covers a given range r in a random manner, i.e. goes through each element of r once and only once, but in a random order. r must be a random-access range with length.

If no random number generator is passed to cover, the thread-global RNG rndGen will be used as the source of randomness.

final

class Cover (

Range

UniformRNG

) if (

isRandomAccessRange!Range &&

isUniformRNG!UniformRNG

) {

this(Range input, UniformRNG rng);

this(typeof(this) that);

bool empty();

auto ref front();

void popFront();

static if(hasLength!Range)

size_t length();

static if(isForwardRange!UniformRNG)

typeof(this) save();

}

Constructors

this this(Range input, UniformRNG rng): Undocumented in source.
this this(typeof(this) that): Undocumented in source.

Members

Functions

empty bool empty()
front auto ref front()
length size_t length()
popFront void popFront()
save typeof(this) save(): Range primitives.

Examples

int[] a = [ 0, 1, 2, 3, 4, 5, 6, 7, 8 ];
foreach (e; cover(a))
{
    writeln(e);
}

// using a specified random number generator
auto gen = new Random(unpredictableSeed);
foreach (e; cover(a, gen))
{
    writeln(e);
}

The alias randomCover is available to ease migration for code written using $(PHOBOSXREF random, randomCover).

Cover

Constructors

Members

Functions

Examples

Meta

Source