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Kdblistener
Kdb
Attributes
Pattern matching
Lambdas
Assign
Assign 0
Assign 1
Destructuring
Verbs
Amends/Dmends
Triadic @ (amend)
Triadic . (dmend)
Tetradic @ (amend)
Tetradic . (dmend)
Bitwise verbs
band
bnot
bor
bxor
Casts
cast
repr
Concurrency
kill
sleep
spawn
top
yield
Conditional verbs
$ (cond)
? (vector conditional)
& (and-cond)
| (or-cond)
Database input/output
Reading/writing concept
Projecting files concept
I/O file verbs
get
print
println
read
readln
set
write
Indexing verbs
@ (at)
. (dot-apply)
List verbs
distinct
drop, cut
enlist
fill
filter
first
last
reverse
rotate
shift
take
Logical verbs
~ (not)
| (or)
& (and)
& (where)
Math verbs
- (negate)
% (monadic division)
+
-
*
% (division)
mod (division remainder)
abs (absolute value)
count
ceil
floor
frac
& (min)
| (max)
round
sum
! (til)
More math functions
Relational verbs
<, <=
>, >=
= (equal)
~ (match)
<> (not equal)
Null handling ^
Scripts
load
Search verbs
?
Set verbs
Intersection
Difference
Union
in (contains)
String manipulation
like
ss (str search)
ssr (str search and replace)
parse
format
.o.lower
.o.upper
Type verbs
@ (internal type id)
type (typespec)
! (internal type id by typespec)
Other verbs
argv
close
defn
eval
exit
flip
getenv
key
meta
panic
quote
rc (reference count)
react
reagent
return
setenv
shadow
show
sv
system
timestamp
trace
untrace
value
vs
Iterators
Queries
Dynamic parsers
Standard library
Language idioms
Plugins
For Python developers
For KDB+ developers
Application examples
Contributors
Contacts
Reagent null
Empty reagent never produce any value. There is no practic sence to create it explicitly.
async
sync
bus
deq
file
listener
tcp
ipc
tls
udp
ws
log
timer
tty
state
kdb listener
kdb
reagent
react
close
meta
