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Momchil Ivanov
alexandria
Commits
6fb9452b
Commit
6fb9452b
authored
Nov 02, 2011
by
James M. Lawrence
Committed by
Nikodemus Siivola
Nov 02, 2011
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fix bug in CURRY compiler-macro
Multiple evaluation of the function argument, oops.
parent
268b6da4
Changes
2
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2 changed files
with
30 additions
and
4 deletions
+30
-4
functions.lisp
functions.lisp
+8
-4
tests.lisp
tests.lisp
+22
-0
No files found.
functions.lisp
View file @
6fb9452b
(
in-package
:alexandria
)
(
declaim
(
inline
ensure-function
))
; to propagate return type.
;;; To propagate return type and allow the compiler to eliminate the IF when
;;; it is known if the argument is function or not.
(
declaim
(
inline
ensure-function
))
(
declaim
(
ftype
(
function
(
t
)
(
values
function
&optional
))
ensure-function
))
...
...
@@ -120,11 +122,13 @@ it is called with to FUNCTION."
(
multiple-value-call
fn
(
values-list
arguments
)
(
values-list
more
)))))
(
define-compiler-macro
curry
(
function
&rest
arguments
)
(
let
((
curries
(
make-gensym-list
(
length
arguments
)
"CURRY"
)))
`
(
let
,
(
mapcar
#'
list
curries
arguments
)
(
let
((
curries
(
make-gensym-list
(
length
arguments
)
"CURRY"
))
(
fun
(
gensym
"FUN"
)))
`
(
let
((
,
fun
(
ensure-function
,
function
))
,@
(
mapcar
#'
list
curries
arguments
))
(
declare
(
optimize
(
speed
3
)
(
safety
1
)
(
debug
1
)))
(
lambda
(
&rest
more
)
(
apply
,
fun
ction
,@
curries
more
)))))
(
apply
,
fun
,@
curries
more
)))))
(
defun
rcurry
(
function
&rest
arguments
)
"Returns a function that applies the arguments it is called
...
...
tests.lisp
View file @
6fb9452b
...
...
@@ -508,11 +508,33 @@
(
funcall
fun
2
)))
4
)
(
deftest
curry.4
(
let*
((
x
1
)
(
curried
(
curry
(
progn
(
incf
x
)
(
lambda
(
y
z
)
(
*
x
y
z
)))
3
)))
(
list
(
funcall
curried
7
)
(
funcall
curried
7
)
x
))
(
42
42
2
))
(
deftest
rcurry.1
(
let
((
r
(
rcurry
'/
2
)))
(
funcall
r
8
))
4
)
(
deftest
rcurry.2
(
let*
((
x
1
)
(
curried
(
rcurry
(
progn
(
incf
x
)
(
lambda
(
y
z
)
(
*
x
y
z
)))
3
)))
(
list
(
funcall
curried
7
)
(
funcall
curried
7
)
x
))
(
42
42
2
))
(
deftest
named-lambda.1
(
let
((
fac
(
named-lambda
fac
(
x
)
(
if
(
>
x
1
)
...
...
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