GerryG

Not exactly sure what an accumulator is, but these serializers seem to write files

General pattern, __X_(un)serialise is the internal, recursive version of each:
a: accumulator
 a uses a, m, r
 a_i uses a_i, m
m: mtree         Sematic tree matrix
 uses m
r: receptor

GerryG

# encoding=utf-8

REGEXPS = [[/[[:alnum:]]/, /\p{Alnum}/],
[/[[:alpha:]]/, /\p{Alpha}/],
[/[[:blank:]]/, /\p{Blank}/],
[/[[:cntrl:]]/, /\p{Cntrl}/],
[/[[:digit:]]/, /\p{Digit}/],
[/[[:graph:]]/, /\p{Graph}/],
[/[[:lower:]]/, /\p{Lower}/],
[/[[:print:]]/, /\p{Print}/],