rename mapper-lens to map-lens

This commit is contained in:
AlexKnauth 2015-09-25 07:45:45 -04:00
parent 69dcc57a21
commit b3f68d6764
9 changed files with 51 additions and 51 deletions

View File

@ -45,7 +45,7 @@ Lenses can also be joined together to form compound lenses that view many things
Lenses can also be extended to operate on some new data structure:
```racket
> (define first-of-each-lens (mapper-lens first-lens))
> (define first-of-each-lens (map-lens first-lens))
> (lens-view first-of-each-lens '((1 2) (3 4) (5 6)))
'(1 3 5)
> (lens-set first-of-each-lens '((1 2) (3 4) (5 6)) '(a b c))

View File

@ -5,7 +5,7 @@ provide lazy-lens
require fancy-app lens/private/base/main racket/promise
module+ test
require rackunit "if.rkt" "isomorphism/data.rkt" "mapper.rkt"
require rackunit "if.rkt" "isomorphism/data.rkt" "map.rkt"
(define-syntax-rule (lazy-lens expr)
(let ([p (delay expr)])
@ -16,13 +16,13 @@ module+ test
name))
module+ test
(define (tree-mapper-lens item-lens)
(define (tree-map-lens item-lens)
(rec-lens the-tree-lens
(lens-cond [list? (mapper-lens the-tree-lens)]
(lens-cond [list? (map-lens the-tree-lens)]
[else item-lens])))
(check-equal? (lens-view (tree-mapper-lens symbol->string-lens) '(a (b (() c)) (d)))
(check-equal? (lens-view (tree-map-lens symbol->string-lens) '(a (b (() c)) (d)))
'("a" ("b" (() "c")) ("d")))
(check-equal? (lens-set (tree-mapper-lens symbol->string-lens)
(check-equal? (lens-set (tree-map-lens symbol->string-lens)
'(a (b (() c)) (d))
'("hay" ("bee" (() "sea")) ("deep")))
'(hay (bee (() sea)) (deep)))

View File

@ -21,13 +21,13 @@ and set the target.
Creates a potentially recursive lens, where @racket[lens-expr] can refer to
@racket[rec-id] as a lazy version of itself.
@lens-unstable-examples[
(define (tree-mapper-lens item-lens)
(define (tree-map-lens item-lens)
(rec-lens the-tree-lens
(lens-cond [list? (mapper-lens the-tree-lens)]
(lens-cond [list? (map-lens the-tree-lens)]
[else item-lens])))
(lens-view (tree-mapper-lens symbol->string-lens) '(a (b (() c)) (d)))
(lens-set (tree-mapper-lens symbol->string-lens)
'(a (b (() c)) (d))
'("hay" ("bee" (() "sea")) ("deep")))
(lens-view (tree-map-lens symbol->string-lens) '(a (b (() c)) (d)))
(lens-set (tree-map-lens symbol->string-lens)
'(a (b (() c)) (d))
'("hay" ("bee" (() "sea")) ("deep")))
]}

View File

@ -6,7 +6,7 @@
"isomorphism.rkt"
"join-assoc.rkt"
"lazy.rkt"
"mapper.rkt"
"map.rkt"
"match.rkt"
"set-filterer.rkt"
"set-member.rkt"

View File

@ -19,7 +19,7 @@ this library being backwards-compatible.
"isomorphism.scrbl"
"join-assoc.scrbl"
"lazy.scrbl"
"mapper.scrbl"
"map.scrbl"
"match.scrbl"
"set-filterer.scrbl"
"set-member.scrbl"

View File

@ -2,9 +2,9 @@
(require racket/contract/base)
(provide (contract-out
[mapper-lens
[map-lens
(-> lens? (lens/c list? list?))]
[vector-mapper-lens
[vector-map-lens
(-> lens? (lens/c immutable-vector? immutable-vector?))]
))
@ -16,7 +16,7 @@
(module+ test
(require rackunit lens/private/list/main))
(define (mapper-lens lens)
(define (map-lens lens)
(make-lens
(lens-view/map lens _)
(lens-set/map lens _ _)))
@ -27,7 +27,7 @@
(define (lens-set/map lens tgts new-views)
(map (lens-set lens _ _) tgts new-views))
(define (vector-mapper-lens lens)
(define (vector-map-lens lens)
(make-lens
(lens-view/vector-map lens _)
(lens-set/vector-map lens _ _)))
@ -39,17 +39,17 @@
(vector->immutable-vector (vector-map (lens-set lens _ _) tgt new-view)))
(module+ test
(check-equal? (lens-view (mapper-lens first-lens) '((a b) (c d) (e f)))
(check-equal? (lens-view (map-lens first-lens) '((a b) (c d) (e f)))
'(a c e))
(check-equal? (lens-set (mapper-lens first-lens) '((a b) (c d) (e f)) '(1 2 3))
(check-equal? (lens-set (map-lens first-lens) '((a b) (c d) (e f)) '(1 2 3))
'((1 b) (2 d) (3 f)))
(check-equal? (lens-transform (mapper-lens first-lens) '((a b) (c d) (e f)) (map symbol->string _))
(check-equal? (lens-transform (map-lens first-lens) '((a b) (c d) (e f)) (map symbol->string _))
'(("a" b) ("c" d) ("e" f)))
(check-equal? (lens-view (vector-mapper-lens first-lens) '#((a b) (c d) (e f)))
(check-equal? (lens-view (vector-map-lens first-lens) '#((a b) (c d) (e f)))
'#(a c e))
(check-equal? (lens-set (vector-mapper-lens first-lens) '#((a b) (c d) (e f)) '#(1 2 3))
(check-equal? (lens-set (vector-map-lens first-lens) '#((a b) (c d) (e f)) '#(1 2 3))
'#((1 b) (2 d) (3 f)))
(check-equal? (lens-transform (vector-mapper-lens first-lens) '#((a b) (c d) (e f))
(check-equal? (lens-transform (vector-map-lens first-lens) '#((a b) (c d) (e f))
(immutable-vector-map symbol->string _))
'#(("a" b) ("c" d) ("e" f)))
)

24
unstable/lens/map.scrbl Normal file
View File

@ -0,0 +1,24 @@
#lang scribble/manual
@(require lens/private/doc-util/main)
@title{Lenses that map over lists and vectors}
@defmodule[unstable/lens/map]
@defproc[(map-lens [lens lens?]) lens?]{
Creates a lens that maps @racket[lens] over a target list.
@lens-unstable-examples[
(lens-view (map-lens first-lens) '((a b) (c d) (e f)))
(lens-set (map-lens first-lens) '((a b) (c d) (e f)) '(1 2 3))
(lens-transform (map-lens first-lens) '((a b) (c d) (e f)) (λ (xs) (map symbol->string xs)))
]}
@defproc[(vector-map-lens [lens lens?]) lens?]{
Creates a lens that maps @racket[lens] over a target vector with @racket[vector-map].
@lens-unstable-examples[
(lens-view (vector-map-lens first-lens) '#((a b) (c d) (e f)))
(lens-set (vector-map-lens first-lens) '#((a b) (c d) (e f)) '#(1 2 3))
(lens-transform (vector-map-lens first-lens) '#((a b) (c d) (e f))
(λ (xs) (vector->immutable-vector (vector-map symbol->string xs))))
]}

View File

@ -1,24 +0,0 @@
#lang scribble/manual
@(require lens/private/doc-util/main)
@title{Lenses that map over lists and vectors}
@defmodule[unstable/lens/mapper]
@defproc[(mapper-lens [lens lens?]) lens?]{
Creates a lens that maps @racket[lens] over a target list.
@lens-unstable-examples[
(lens-view (mapper-lens first-lens) '((a b) (c d) (e f)))
(lens-set (mapper-lens first-lens) '((a b) (c d) (e f)) '(1 2 3))
(lens-transform (mapper-lens first-lens) '((a b) (c d) (e f)) (λ (xs) (map symbol->string xs)))
]}
@defproc[(vector-mapper-lens [lens lens?]) lens?]{
Creates a lens that maps @racket[lens] over a target vector with @racket[vector-map].
@lens-unstable-examples[
(lens-view (vector-mapper-lens first-lens) '#((a b) (c d) (e f)))
(lens-set (vector-mapper-lens first-lens) '#((a b) (c d) (e f)) '#(1 2 3))
(lens-transform (vector-mapper-lens first-lens) '#((a b) (c d) (e f))
(λ (xs) (vector->immutable-vector (vector-map symbol->string xs))))
]}

View File

@ -17,7 +17,7 @@ module+ test
require lens/private/list/main
rackunit
"isomorphism/data.rkt"
"mapper.rkt"
"map.rkt"
;; lens-zoom : (Lens (Outer Inner) Inner) (Lens A B) -> (Lens (Outer A) (Outer B))
(define (lens-zoom zoom-lens transformer-lens)
@ -77,7 +77,7 @@ module+ test
(lens-set trans-second-first/third-second '(1 (2 3) (4 5)) '(a b c)))
'(a b c))
(define (rekey-alist-lens key->new-key-lens)
(mapper-lens (lens-zoom car-lens key->new-key-lens)))
(map-lens (lens-zoom car-lens key->new-key-lens)))
(check-equal? (lens-view (rekey-alist-lens symbol->string-lens) '((a . 1) (b . 2) (c . 3)))
'(("a" . 1) ("b" . 2) ("c" . 3)))
(check-equal? (lens-set (rekey-alist-lens symbol->string-lens)
@ -89,7 +89,7 @@ module+ test
'(("one" . 10) ("two" . 200) ("three" . 3000)))
'((one . 10) (two . 200) (three . 3000)))
(define (rek+v-alist-lens key->new-key-lens value->new-value-lens)
(mapper-lens (lens-zoom* car-lens key->new-key-lens cdr-lens value->new-value-lens)))
(map-lens (lens-zoom* car-lens key->new-key-lens cdr-lens value->new-value-lens)))
(check-equal? (lens-view (rek+v-alist-lens symbol->string-lens number->string-lens)
'((a . 1) (b . 2) (c . 3)))
'(("a" . "1") ("b" . "2") ("c" . "3")))