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Lazily iterates the given range and calls the given callable for each element.

auto map(alias callable, Range) (
  Range range
if (isInputRange!(Unqual!Range) && isCallableWith!(callable, ElementType!Range));


a range containing the result of each call to callable


enum a = [1, 2, 3, 4].staticArray;
enum expected = [2, 4, 6, 8].staticArray;

enum result = a[].map!(e => e * 2);
static assert(result.equal(expected[]));


Walter Bright


Boost License 1.0