buffer
The amount of reserved space in a population. Can be immutable for PanmicticPopulation see PanmicticEvolveScope.resize. Usually used if the evolutionary strategy involves increasing the population size.
Set buffer at the population initialization stage via the corresponding parameter.
NOTE:
Can be automatically changed when the size is changed
Always must be positive or zero
Dynamically can be changed with PanmicticEvolveScope.resize
Default value is zero