using a better idiom for creating an empty array of known length
using a better idiom for creating an empty array of known length

armstrong/armstrong.core.arm_wells,texastribune/armstrong.core.arm_wells,dmclain/armstrong.core.arm_wells,dmclain/armstrong.core.arm_wells,armstrong/armstrong.core.arm_wells,armstrong/armstrong.core.arm_wells,texastribune/armstrong.core.arm_wells