julia> bar(a,b,x...) = (a,b,x) bar (generic function with 1 method) julia> bar(1,2) (1,2,()) Is () a zero-argument anonymous function that takes in varargs, making zero really mean any-argument anonymous function? If yes, then to me, the name zero-argument name just doesn’t fully capture/represent…

() is just parenthesis. In general it’s used when the syntax can otherwise be ambiguous. In most cases it’s optional. You can write x->x instead of (x)->x, x, y instead of (x, y). Zero element tuples and zero argument functions needs the () since it’ll be hard to represent otherwise. And [imag…

The zero-argument anonymous function name

General Usage

yuyichao May 31, 2017, 11:05pm 2

No, it’s an empty tuple.

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The zero-argument anonymous function name

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