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Signature symbols in this unit

Symbol	Specification	Kind	Type
# .	open-file-handles	f	nat-set → nat
# .	open-file-handles	f	open-file-handles → nat
# .	buffer	f	buffer → nat
# .	fidbag	f	fidbag → nat
# .	file-data-store	f	file-data-store → nat
# .	file-data-store	f	fidset → nat
# .	path	f	path → nat
# .	directory-tree-inst	f	stringset → nat
# .	directory-tree-base	f	entries-tree → nat
# .	string	f	string → nat
#n .	directory-tree	f	entries-tree → nat
#n .	directory-tree	f	directory-tree → nat
. '	string	f	char → string
. '	path	f	string → path
. + .	nat-basic	f	nat × nat → nat
. + .	buffer	f	buffer × buffer → buffer
. + .	path	f	path × string → path
. + .	string	f	char × string → string
. + .	path	f	path × path → path
. + .	string	f	string × string → string
. + .	path	f	string × path → path
. + .	string	f	string × char → string
. ++ .	open-file-handles	f	nat-set × nat → nat-set
. ++ .	file-data-store	f	fidset × fid → fidset
. ++ .	fidbag	f	fidbag × fid → fidbag
. ++ .	directory-tree-inst	f	stringset × string → stringset
. ++ .	path	f	path × string → path
. ++ .	string	f	string × char → string
. +1	nat-basic	f	nat → nat
. +2 .	string	f	char × char → string
. +2 .	path	f	string × string → path
. - .	nat	pf	nat × nat → nat with λ n, m. n ≥ m
. -- .	file-data-store	f	file-data-store × fid → file-data-store
. -- .	file-data-store	f	fidset × fid → fidset
. -- .	open-file-handles	f	nat-set × nat → nat-set
. -- .	directory-tree-inst	f	stringset × string → stringset
. -- .	open-file-handles	f	open-file-handles × nat → open-file-handles
. -- .	directory-tree-base	f	entries-tree × string → entries-tree
. -- .	fidbag	f	fidbag × fid → fidbag
. -- .	directory-tree	f	directory-tree × path → directory-tree
. -1	nat-basic	pf	nat → nat with λ n. n ≠ 0
. -1l .	path	f	path × string → path
. -1l .	string	f	string × char → string
. -l .	string	f	string × char → string
. -l .	path	f	path × string → path
. -p .	path	f	path × nat → path
. -p .	string	f	string × nat → string
. .butlast	string	pf	string → string with λ str. str ≠ ""
. .char1	string	pf	string → char with λ str. str ≠ ""
. .content	file-data	f	file-data → buffer
. .content:= .	file-data	f	file-data × buffer → file-data
. .dir?	directory-tree	p	directory-tree
. .entries	directory-tree	f	directory-tree → entries-tree
. .entries:= .	directory-tree	f	directory-tree × entries-tree → directory-tree
. .fid	directory-tree	f	directory-tree → fid
. .fid	file-handle	f	file-handle → fid
. .fid:= .	directory-tree	f	directory-tree × fid → directory-tree
. .fid:= .	file-handle	f	file-handle × fid → file-handle
. .fids	posix-base	f	open-file-handles → fidset
. .fids	directory-tree-fids	f	directory-tree → fidbag
. .fids	directory-tree-fids	f	entries-tree → fidbag
. .head	path	pf	path → string with λ p. p ≠ ε
. .last	path	pf	path → string with λ p. p ≠ ε
. .last	string	pf	string → char with λ str. str ≠ ""
. .meta	file-data	f	file-data → metadata
. .meta	directory-tree	f	directory-tree → metadata
. .meta:= .	file-data	f	file-data × metadata → file-data
. .meta:= .	directory-tree	f	directory-tree × metadata → directory-tree
. .mode	file-handle	f	file-handle → file-mode
. .mode:= .	file-handle	f	file-handle × file-mode → file-handle
. .pos	file-handle	f	file-handle → nat
. .pos:= .	file-handle	f	file-handle × nat → file-handle
. .rstring	string	pf	string → string with λ str. str ≠ ""
. .subdirs	directory-tree	f	directory-tree → stringset
. .tail	path	pf	path → path with λ p. p ≠ ε
. < .	nat-basic	p	nat × nat
. < .	path	p	path × path
. > .	nat	p	nat × nat
. [ . ]	open-file-handles	pf	open-file-handles × nat → file-handle with λ ofh, fd. fd ∈ ofh
. [ . ]	path	pf	path × nat × string → path with λ p, n, str. n < # p
. [ . ]	path	pf	path × nat → string with λ p, n. n < # p
. [ . ]	file-data-store	f	file-data-store × fid × file-data → file-data-store
. [ . ]	directory-tree-base	pf	entries-tree × string → directory-tree with λ sdt, str. str ∈ sdt
. [ . ]	string	pf	string × nat × char → string with λ str, n, char. n < # str
. [ . ]	string	pf	string × nat → char with λ str, n. n < # str
. [ . ]	file-data-store	pf	file-data-store × fid → file-data with λ fs, fid. fid ∈ fs
. [ . ]	buffer	pf	buffer × nat × data → buffer with λ buf, n, d. n < # buf
. [ . ]	directory-tree-base	f	entries-tree × string × directory-tree → entries-tree
. [ . ]	buffer	pf	buffer × nat → data with λ buf, n. n < # buf
. [ . ]	directory-tree	f	directory-tree × path → directory-tree
. [ . ]	open-file-handles	f	open-file-handles × nat × file-handle → open-file-handles
. [ . ]	directory-tree	f	directory-tree × path × directory-tree → directory-tree
. \ .	file-data-store	f	fidset × fidset → fidset
. \ .	file-data-store	f	file-data-store × fidset → file-data-store
. \ .	directory-tree-inst	f	stringset × stringset → stringset
. \ .	open-file-handles	f	open-file-handles × nat-set → open-file-handles
. \ .	directory-tree-inst	f	entries-tree × stringset → entries-tree
. \ .	open-file-handles	f	nat-set × nat-set → nat-set
. \ .	fidbag	f	fidbag × fidbag → fidbag
. \| .	open-file-handles	f	open-file-handles × nat-set → open-file-handles
. \| .	file-data-store	f	file-data-store × fidset → file-data-store
. \| .	directory-tree-inst	f	entries-tree × stringset → entries-tree
. × .	directory-tree-base	f	string × directory-tree → stringdirectorytree
. ∈ .	open-file-handles	p	file-handle × open-file-handles
. ∈ .	buffer	p	data × buffer
. ∈ .	open-file-handles	p	nat × nat-set
. ∈ .	file-data-store	p	fid × file-data-store
. ∈ .	open-file-handles	p	nat × open-file-handles
. ∈ .	file-data-store	p	fid × fidset
. ∈ .	fidbag	p	fid × fidbag
. ∈ .	file-data-store	p	file-data × file-data-store
. ∈ .	directory-tree	p	path × directory-tree
. ∈ .	directory-tree-inst	p	string × stringset
. ∈ .	path	p	string × path
. ∈ .	directory-tree-inst	p	directory-tree × entries-tree
. ∈ .	directory-tree-base	p	stringdirectorytree × entries-tree
. ∈ .	string	p	char × string
. ∈ .	directory-tree-base	p	string × entries-tree
. ∩ .	file-data-store	f	fidset × fidset → fidset
. ∩ .	open-file-handles	f	nat-set × nat-set → nat-set
. ∩ .	directory-tree-inst	f	stringset × stringset → stringset
. ∪ .	file-data-store	f	fidset × fidset → fidset
. ∪ .	directory-tree-inst	f	stringset × stringset → stringset
. ∪ .	fidbag	f	fidbag × fidbag → fidbag
. ∪ .	open-file-handles	f	nat-set × nat-set → nat-set
. ≤ .	nat	p	nat × nat
. ≥ .	nat	p	nat × nat
. ⊆ .	open-file-handles	p	nat-set × nat-set
. ⊆ .	open-file-handles	p	open-file-handles × open-file-handles
. ⊆ .	file-data-store	p	file-data-store × file-data-store
. ⊆ .	fidbag	p	fidbag × fidbag
. ⊆ .	file-data-store	p	fidset × fidset
. ⊆ .	directory-tree-inst	p	stringset × stringset
. ⊆ .	directory-tree-base	p	entries-tree × entries-tree
. ⊑ .	path	p	path × path
. ⊑ .	string	p	string × string
. ⊒ .	path	p	path × path
. ⊒ .	string	p	string × string
. ⊕ .	file-data-store	f	file-data-store × file-data-store → file-data-store
. ⊕ .	open-file-handles	f	open-file-handles × open-file-handles → open-file-handles
. ⊕ .	directory-tree-inst	f	entries-tree × entries-tree → entries-tree
{ . }	file-data-store	f	fid → fidset
{ . }	open-file-handles	f	nat → nat-set
{ . }	directory-tree-inst	f	string → stringset
{ . }	fidbag	f	fid → fidbag
ε	path	c	path
∅	file-data-store	c	file-data-store
∅	file-data-store	c	fidset
∅	directory-tree-inst	c	stringset
∅	open-file-handles	c	nat-set
∅	directory-tree-base	c	entries-tree
∅	open-file-handles	c	open-file-handles
∅	fidbag	c	fidbag
⊏	string	p	string × string
Boolvar	directory-tree-inst	v	bool,flexible
MODE_R	file-mode	c	file-mode
MODE_RW	file-mode	c	file-mode
MODE_W	file-mode	c	file-mode
Pentries-tree	directory-tree-inst	v	entries-tree → bool
Ptree	directory-tree	v	directory-tree → bool
boolvar	directory-tree-inst	v	bool
boolvar0	directory-tree-inst	v	bool
boolvar1	directory-tree-inst	v	bool
buf	buffer	v	buffer
buf0	buffer	v	buffer
buf1	buffer	v	buffer
buf2	buffer	v	buffer
buffer	buffer	s
butlastn	path	pf	nat × path → path with λ n, p. n ≤ # p
butlastn	string	pf	nat × string → string with λ n, str. n ≤ # str
char	char	s
char	char	v	char
char0	char	v	char
char1	char	v	char
char2	char	v	char
cmp	buffer	pp	buffer × data × nat × nat with λ buf, d, m, n. m + n ≤ # buf
cmp	buffer	pp	buffer × nat × buffer × nat × nat with λ buf, m, buf0, m0, n. m + n ≤ # buf ∧ m0 + n ≤ # buf0
copy	buffer	pf	buffer × nat × buffer × nat × nat → buffer with λ buf, m, buf0, m0, n. m + n ≤ # buf ∧ m0 + n ≤ # buf0
count	fidbag	f	fid × fidbag → nat
d	data	v	data
d0	data	v	data
d1	data	v	data
d2	data	v	data
data	data	s
directory-tree	directory-tree-base	s
disj	path	p	path × path
disj	string	p	string × string
dnode	directory-tree-base	f	metadata × entries-tree → directory-tree
dom .	file-data-store	f	file-data-store → fidset
dom .	open-file-handles	f	open-file-handles → nat-set
dom .	directory-tree-inst	f	entries-tree → stringset
dups	path	p	path
dups	string	p	string
empty	buffer	c	data
entries-tree	directory-tree-base	s
f	file-data	v	file-data
f0	file-data-store	v	file-data
f1	file-data-store	v	file-data
f2	file-data-store	v	file-data
fd	open-file-handles	v	nat
fd1	open-file-handles	v	nat
fd2	open-file-handles	v	nat
fh	file-handle	v	file-handle
fh0	open-file-handles	v	file-handle
fh1	open-file-handles	v	file-handle
fh2	open-file-handles	v	file-handle
fid	file-id	s
fid	file-id	v	fid
fid0	fidbag	v	fid
fid1	file-data-store	v	fid
fid2	file-data-store	v	fid
fidb	fidbag	v	fidbag
fidb0	fidbag	v	fidbag
fidb1	fidbag	v	fidbag
fidb2	fidbag	v	fidbag
fidbag	fidbag	s
fids	file-data-store	v	fidset
fids-cons	posix-base	p	directory-tree × file-data-store × open-file-handles
fids0	file-data-store	v	fidset
fids1	file-data-store	v	fidset
fids2	file-data-store	v	fidset
fidset	file-data-store	s
file-data	file-data	s
file-data-store	file-data-store	s
file-handle	file-handle	s
file-mode	file-mode	s
fill	buffer	pf	buffer × data × nat × nat → buffer with λ buf, d, n, m. n + m ≤ # buf
fill	buffer	f	buffer × data → buffer
fillfirst	path	f	nat × string × path → path
fillfirst	string	f	nat × char × string → string
firstn	path	pf	nat × path → path with λ n, p. n ≤ # p
firstn	string	pf	nat × string → string with λ n, str. n ≤ # str
fnode	directory-tree-base	f	fid → directory-tree
frome	string	f	string × char → string
frome	path	f	path × string → path
fs	file-data-store	v	file-data-store
fs0	file-data-store	v	file-data-store
fs1	file-data-store	v	file-data-store
fs2	file-data-store	v	file-data-store
id○	buffer	p	buffer × buffer × nat
idrange	buffer	pp	buffer × nat × nat with λ buf, m, n. m + n ≤ # buf
lastn	path	pf	nat × path → path with λ n, p. n ≤ # p
lastn	string	pf	nat × string → string with λ n, str. n ≤ # str
m	nat-basic	v	nat
m0	array-copy	v	nat
max	min-max	f	nat × nat → nat
max	open-file-handles-ext	f	open-file-handles → nat
md	metadata	v	metadata
md0	file-data	v	metadata
meta	posix-base	f	path × directory-tree × file-data-store → metadata
metadata	metadata	s
min	min-max	f	nat × nat → nat
mkbuf	buffer	f	nat → buffer
mkempbuf	buffer	f	nat → buffer
mkfh	file-handle	f	fid × file-mode × nat → file-handle
mkfile	file-data	f	metadata × buffer → file-data
mklist	string	f	char × nat → string
mkpath	path	f	string × nat → path
mkzbuf	buffer	f	nat → buffer
mode	file-mode	v	file-mode
mode0	file-handle	v	file-mode
n	nat-basic	v	nat
n0	nat-basic	v	nat
n1	nat-basic	v	nat
nat	nat-basic	s
nat-set	open-file-handles	s
nats	open-file-handles	v	nat-set
nats0	open-file-handles	v	nat-set
nats1	open-file-handles	v	nat-set
nats2	open-file-handles	v	nat-set
ofh	open-file-handles	v	open-file-handles
ofh0	open-file-handles	v	open-file-handles
ofh1	open-file-handles	v	open-file-handles
ofh2	open-file-handles	v	open-file-handles
open-file-handles	open-file-handles	s
p	path	v	path
p'	path	v	path
p0	path	v	path
p1	path	v	path
parent	path	pf	path → path with λ p. p ≠ ε
path	path	s
path	posix-base	v	path
path'	posix-base	v	path
pos	string	f	char × string → nat
pos	path	f	string × path → nat
posix-crash	posix-base	p	directory-tree × file-data-store × open-file-handles × directory-tree × file-data-store × open-file-handles
q	path	v	path
range=	buffer	p	buffer × nat × buffer × nat × nat
resize	buffer	f	buffer × nat → buffer
restn	path	pf	nat × path → path with λ n, p. n ≤ # p
restn	string	pf	nat × string → string with λ n, str. n ≤ # str
rev	buffer	pf	buffer × nat → buffer with λ buf, n. n ≤ # buf
rev	buffer	f	buffer → buffer
rev	path	f	path → path
rev	string	f	string → string
rmdup	string	f	string → string
rmdup	path	f	path → path
root	posix-base	v	directory-tree
sdt	directory-tree-base	v	entries-tree
sdt0	directory-tree-base	v	entries-tree
sdt1	directory-tree-base	v	entries-tree
sdt2	directory-tree-base	v	entries-tree
splice	buffer	f	buffer × nat × buffer × nat × nat → buffer
str	string	v	string
str-tree	directory-tree-base	v	stringdirectorytree
str0	string	v	string
str1	string	v	string
str2	string	v	string
str3	string	v	string
string	string	s
stringdirectorytree	directory-tree-base	s
strings	directory-tree-inst	v	stringset
strings0	directory-tree-inst	v	stringset
strings1	directory-tree-inst	v	stringset
strings2	directory-tree-inst	v	stringset
stringset	directory-tree-inst	s
subarray	buffer	pf	buffer × nat × nat → buffer with λ buf, m, n. m + n ≤ # buf
sublist	path	pf	nat × nat × path → path with λ n, m, p. n + m ≤ # p
sublist	string	pf	nat × nat × string → string with λ n, m, str. n + m ≤ # str
tree	directory-tree-base	v	directory-tree
tree0	directory-tree-base	v	directory-tree
tree1	directory-tree-base	v	directory-tree
tree2	directory-tree-base	v	directory-tree
zero	buffer	c	data