Returns an instance of a subclass of Buffer with i base capacity

Property definitions

core $ Buffer :: with_cap
	# Returns an instance of a subclass of `Buffer` with `i` base capacity
	new with_cap(i: Int) is abstract
lib/core/text/abstract_text.nit:1525,2--1526,33

core :: flat $ Buffer :: with_cap
	redef new with_cap(i) do return new FlatBuffer.with_capacity(i)
lib/core/text/flat.nit:862,2--64