Tests if a
is zero.
Tests if a
is zero.
Given a sequence of as
, compute the sum.
Given a sequence of as
, compute the sum.
Given a sequence of as
, combine them and return the total.
Given a sequence of as
, combine them and return the total.
If the sequence is empty, returns None. Otherwise, returns Some(total).
Given a sequence of as
, combine them and return the total.
Given a sequence of as
, combine them and return the total.
If the sequence is empty, returns None. Otherwise, returns Some(total).
Rng (pronounced "Rung") consists of:
Alternately, a Rng can be thought of as a ring without a multiplicative identity (or as a semiring with an additive inverse).
Mnemonic: "Rng is a Ring without multiplicative 'I'dentity."