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authorVincent Ambo <mail@tazj.in>2021-12-15T20·10+0300
committerclbot <clbot@tvl.fyi>2021-12-15T21·02+0000
commit28ac55e94a4c71c1594d7ec51846315aed03e815 (patch)
tree3cedf2ff4a608605163b848c727690a39821ee10 /third_party/lisp/alexandria/functions.lisp
parent50b43cfb66a46fb5579e71d0e55174bb77fa2858 (diff)
chore(3p/lisp): Unvendor alexandria and use nixpkgs sources r/3254
Change-Id: Idee3cb18ac42bd820d87aac0c68206436c1f4691
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4338
Autosubmit: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Diffstat (limited to 'third_party/lisp/alexandria/functions.lisp')
-rw-r--r--third_party/lisp/alexandria/functions.lisp161
1 files changed, 0 insertions, 161 deletions
diff --git a/third_party/lisp/alexandria/functions.lisp b/third_party/lisp/alexandria/functions.lisp
deleted file mode 100644
index dd83e38b4ebc..000000000000
--- a/third_party/lisp/alexandria/functions.lisp
+++ /dev/null
@@ -1,161 +0,0 @@
-(in-package :alexandria)
-
-;;; 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))
-(defun ensure-function (function-designator)
-  "Returns the function designated by FUNCTION-DESIGNATOR:
-if FUNCTION-DESIGNATOR is a function, it is returned, otherwise
-it must be a function name and its FDEFINITION is returned."
-  (if (functionp function-designator)
-      function-designator
-      (fdefinition function-designator)))
-
-(define-modify-macro ensure-functionf/1 () ensure-function)
-
-(defmacro ensure-functionf (&rest places)
-  "Multiple-place modify macro for ENSURE-FUNCTION: ensures that each of
-PLACES contains a function."
-  `(progn ,@(mapcar (lambda (x) `(ensure-functionf/1 ,x)) places)))
-
-(defun disjoin (predicate &rest more-predicates)
-  "Returns a function that applies each of PREDICATE and MORE-PREDICATE
-functions in turn to its arguments, returning the primary value of the first
-predicate that returns true, without calling the remaining predicates.
-If none of the predicates returns true, NIL is returned."
-  (declare (optimize (speed 3) (safety 1) (debug 1)))
-  (let ((predicate (ensure-function predicate))
-	(more-predicates (mapcar #'ensure-function more-predicates)))
-    (lambda (&rest arguments)
-      (or (apply predicate arguments)
-	  (some (lambda (p)
-		  (declare (type function p))
-		  (apply p arguments))
-		more-predicates)))))
-
-(defun conjoin (predicate &rest more-predicates)
-  "Returns a function that applies each of PREDICATE and MORE-PREDICATE
-functions in turn to its arguments, returning NIL if any of the predicates
-returns false, without calling the remaining predicates. If none of the
-predicates returns false, returns the primary value of the last predicate."
-  (if (null more-predicates)
-      predicate
-      (lambda (&rest arguments)
-	(and (apply predicate arguments)
-	     ;; Cannot simply use CL:EVERY because we want to return the
-	     ;; non-NIL value of the last predicate if all succeed.
-	     (do ((tail (cdr more-predicates) (cdr tail))
-		  (head (car more-predicates) (car tail)))
-		 ((not tail)
-		  (apply head arguments))
-	       (unless (apply head arguments)
-		 (return nil)))))))
-
-
-(defun compose (function &rest more-functions)
-  "Returns a function composed of FUNCTION and MORE-FUNCTIONS that applies its
-arguments to to each in turn, starting from the rightmost of MORE-FUNCTIONS,
-and then calling the next one with the primary value of the last."
-  (declare (optimize (speed 3) (safety 1) (debug 1)))
-  (reduce (lambda (f g)
-	    (let ((f (ensure-function f))
-		  (g (ensure-function g)))
-	      (lambda (&rest arguments)
-		(declare (dynamic-extent arguments))
-		(funcall f (apply g arguments)))))
-          more-functions
-          :initial-value function))
-
-(define-compiler-macro compose (function &rest more-functions)
-  (labels ((compose-1 (funs)
-             (if (cdr funs)
-                 `(funcall ,(car funs) ,(compose-1 (cdr funs)))
-                 `(apply ,(car funs) arguments))))
-    (let* ((args (cons function more-functions))
-           (funs (make-gensym-list (length args) "COMPOSE")))
-      `(let ,(loop for f in funs for arg in args
-		   collect `(,f (ensure-function ,arg)))
-         (declare (optimize (speed 3) (safety 1) (debug 1)))
-         (lambda (&rest arguments)
-           (declare (dynamic-extent arguments))
-           ,(compose-1 funs))))))
-
-(defun multiple-value-compose (function &rest more-functions)
-    "Returns a function composed of FUNCTION and MORE-FUNCTIONS that applies
-its arguments to each in turn, starting from the rightmost of
-MORE-FUNCTIONS, and then calling the next one with all the return values of
-the last."
-  (declare (optimize (speed 3) (safety 1) (debug 1)))
-  (reduce (lambda (f g)
-	    (let ((f (ensure-function f))
-		  (g (ensure-function g)))
-	      (lambda (&rest arguments)
-		(declare (dynamic-extent arguments))
-		(multiple-value-call f (apply g arguments)))))
-          more-functions
-          :initial-value function))
-
-(define-compiler-macro multiple-value-compose (function &rest more-functions)
-  (labels ((compose-1 (funs)
-             (if (cdr funs)
-                 `(multiple-value-call ,(car funs) ,(compose-1 (cdr funs)))
-                 `(apply ,(car funs) arguments))))
-    (let* ((args (cons function more-functions))
-           (funs (make-gensym-list (length args) "MV-COMPOSE")))
-      `(let ,(mapcar #'list funs args)
-         (declare (optimize (speed 3) (safety 1) (debug 1)))
-         (lambda (&rest arguments)
-           (declare (dynamic-extent arguments))
-           ,(compose-1 funs))))))
-
-(declaim (inline curry rcurry))
-
-(defun curry (function &rest arguments)
-  "Returns a function that applies ARGUMENTS and the arguments
-it is called with to FUNCTION."
-  (declare (optimize (speed 3) (safety 1)))
-  (let ((fn (ensure-function function)))
-    (lambda (&rest more)
-      (declare (dynamic-extent more))
-      ;; Using M-V-C we don't need to append the arguments.
-      (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"))
-        (fun (gensym "FUN")))
-    `(let ((,fun (ensure-function ,function))
-           ,@(mapcar #'list curries arguments))
-       (declare (optimize (speed 3) (safety 1)))
-       (lambda (&rest more)
-         (declare (dynamic-extent more))
-         (apply ,fun ,@curries more)))))
-
-(defun rcurry (function &rest arguments)
-  "Returns a function that applies the arguments it is called
-with and ARGUMENTS to FUNCTION."
-  (declare (optimize (speed 3) (safety 1)))
-  (let ((fn (ensure-function function)))
-    (lambda (&rest more)
-      (declare (dynamic-extent more))
-      (multiple-value-call fn (values-list more) (values-list arguments)))))
-
-(define-compiler-macro rcurry (function &rest arguments)
-  (let ((rcurries (make-gensym-list (length arguments) "RCURRY"))
-        (fun (gensym "FUN")))
-    `(let ((,fun (ensure-function ,function))
-           ,@(mapcar #'list rcurries arguments))
-       (declare (optimize (speed 3) (safety 1)))
-       (lambda (&rest more)
-         (declare (dynamic-extent more))
-         (multiple-value-call ,fun (values-list more) ,@rcurries)))))
-
-(declaim (notinline curry rcurry))
-
-(defmacro named-lambda (name lambda-list &body body)
-  "Expands into a lambda-expression within whose BODY NAME denotes the
-corresponding function."
-  `(labels ((,name ,lambda-list ,@body))
-     #',name))