Function frontOrInit
Get the first element of a range or return Element.init
auto frontOrInit(T)
(
T range
)
if (isInputRange!T);
Example
import std .exception : assertThrown;
Document doc = Document(`<html><p><b>hello`);
Element div = doc .createElement("div");
div .setAttribute("id", "test");
assert(doc .bySelector("p b") .frontOrThrow .name == "b");
assert(doc .bySelector("p b") .frontOrInit .name == "b");
assertThrown(doc .bySelector("p i") .frontOrThrow);
assert(doc .bySelector("p i") .frontOrInit == Element());
assert(doc .bySelector("p i") .frontOrInit == null);
assert(doc .bySelector("p i") .frontOr(div) .name == "div");
assert(doc .bySelector("p i") .frontOr(div) .id == "test");