Warning: These are just my personal working notes as I learn Clojure, coming from Racket.

Racket -> Clojure

Given a Racket function, what’s the clojure.core equivalent?

Note: This only includes things with a different name or behavior.

Racket	Clojure	Comment
begin	do
print	prn
display	print
write	write
pretty-print	pprint	clojure.pprint
curry	partial
curryr	N/A
negate	complement
andmap	every?
ormap	some	Returns 1st item not #t
(length xs)	(count coll)	Note: list vs collection.
count	N/A ?
append	concat
(take xs n)	(take n coll)	Note: args reversed
takef	take-while	Note: args reversed
hash	hash-map or {}
set	hash-set or #{}
vector	vector or []
unless	when-not
#t or true	true
#f or false	false
format	format	~s vs %s. See also: str
for	doseq	for-effect iteration form
for/list etc.	for	Note: specific vs. generic collections
,	~
unquote	~
,@	~@
unquote-splicing	~@
partition	N/A	Clj partition different
regexp pregexp	re-matches	Implicit ^ and $
regexp pregexp	re-find	No implicit ^ and $
regexp-match*	re-seq
regexp-replace*	replace
#rx”\w”	#”\w”	Clj regexps ~= px (?)
#px”\w”	#”\w”	Note 2 vs. 1 backslashes
string->symbol	symbol
symbol->string	str
#:keyword	:keyword
keyword->string	name or str
string->keyword	keyword
dict-values	vals
hash-values	vals
dict-keys	keys
hash-keys	keys
generics	protocols	approximately
(define x (make-parameter 10))	(def ^:dynamic x 10)
(parameterize ([x 42]) ___)	(binding [x 42] ___)

Clojure -> Racket

See table above.

Also some clojure.core functions are available in #lang rackjure:

Function	Comment
{ k v … … }	Dictionary literal.
(dict key)	Applicable dictionaries.
(key dict)	Applicable dictionaries.
~> and ~>>	Threading macros. -> is contract combinator in Racket
#(+ % 2)	#λ(+ % 2) – #λ() b/c #() is array literal in Racket
str
swap!
partial

NOTE: The following work with lists not collections.

NOTE: Not yet pushed to public repo.

Function	Comment
partition	Clojure partition unlike Racket’s
(take<= xs n)	When < n avail, returns ‘() instead of erroring.
juxt
every?	Alias for andmap
some	ormap returns #t or #f. some returns first item or #f

NOTE: Not yet pushed to public repo.

Function	Comment
get
get-in