Can someone please explain in plain english how this block treats the

given variables (and values in the array)? I am struggling to understand

the relationship of ‘t’ and ‘n’ with the array.

class Array

def sum

inject(0) {|t,n| t + n}

end

end

puts [1,2,3].sum

Is ‘t’ effectively labeled as ‘0’ (zero), given the assignment on the

inject method?

What “is” ‘t’ exactly?