There is a one to one correlation between the actual data and the mapping
entries passed, i.e. the first actual datum passed is used to replace
the placeholder contained within the first node of the mapping Vector.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.