copy

TargetRange copy(SourceRange,  TargetRange)(SourceRange source,  TargetRange target) if (isInputRange!SourceRange &&  isOutputRange!(TargetRange,  ElementType!SourceRange))

Copies the content of source into target and returns the remaining (unfilled) part of target.

Preconditions: target shall have enough room to accommodate the entirety of source.

Parameters

`source`	an input range
`target`	an output range

Returns

The unfilled part of target