This is BibTeX, Version 0.99c (Web2C 7.5.6)
The top-level auxiliary file: purrr.aux
The style file: acm.bst
Database file #1: ref.bib
Warning--to sort, need author or key in purrr-website
You've used 3 entries,
            2253 wiz_defined-function locations,
            536 strings with 3993 characters,
and the built_in function-call counts, 574 in all, are:
= -- 46
> -- 15
< -- 0
+ -- 7
- -- 4
* -- 23
:= -- 87
add.period$ -- 5
call.type$ -- 3
change.case$ -- 11
chr.to.int$ -- 0
cite$ -- 4
duplicate$ -- 23
empty$ -- 70
format.name$ -- 4
if$ -- 126
int.to.chr$ -- 0
int.to.str$ -- 3
missing$ -- 0
newline$ -- 14
num.names$ -- 4
pop$ -- 26
preamble$ -- 1
purify$ -- 8
quote$ -- 0
skip$ -- 26
stack$ -- 0
substring$ -- 15
swap$ -- 5
text.length$ -- 0
text.prefix$ -- 0
top$ -- 0
type$ -- 12
warning$ -- 1
while$ -- 4
width$ -- 4
write$ -- 23
(There was 1 warning)