PromiseIterator.each

Undocumented in source. Be warned that the author may not have intended to support it.
interface PromiseIterator(T)
final nothrow
Promise!bool
each
(
U
)
(
U delegate
(
T
)
cb
)
if (
is(Promisify!U.T == void) ||
is(Promisify!U.T == bool)
)

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