suzanne.soy/trivial
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[scrbl] use deftogether

Browse Source 
(Thanks J. Hemann)
This commit is contained in:
ben 2016-04-04 13:59:44 -04:00
parent 5a1cba842c
commit 7ef8e90a41
1 changed files with 66 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

119
trivial/scribblings/trivial.scrbl
View File

@ -12,7 +12,7 @@
This library exports a collection of @hyperlink["http://www.greghendershott.com/fear-of-macros/"]{macros} for improved standard library functions.
All exported macros are named with a trailing colon (meant as a hint that some extra type-checking may happen at the call site).@note{
Not happy with the colon convention? @racket[trivial/no-colon] provides the same identifiers, colon-free.
Same goes for each sub-collection, for instance you can require @racket[trivial/math/no-colon].
Same goes for each sub-collection, e.g. @racket[trivial/math/no-colon].
}
@ -75,9 +75,8 @@ In other words, the result is one string for the matched substring and an unknow
(regexp-match: "(bad))group" "")
]
@emph{Note:} the regular expression @racket{|} operator is not currently supported because it can nullify some groups.
Using the @racket{|} will result is a less-precise type.
Same goes for groups followed by a Kleene star.
@emph{Note:} the regular expression @racket{|} operator is not currently supported because it can nullify some groups.
Using the @racket{|} will always default to the behavior of @racket[regexp-match].
@examples[#:eval trivial-eval
@ -91,20 +90,23 @@ In other words, the result is one string for the matched substring and an unknow
Large regular expression patterns are expensive to compile, so we offer a definition form that remembers the number of groups in a pattern for later calls to @racket[regexp-match:].
@defform*[((regexp: id pattern)
(pregexp: id pattern)
(byte-regexp: id pattern)
(byte-pregexp: id pattern))]{}
@defform*[((define-regexp: ([id expr] ...) expr ...)
(define-pregexp: ([id expr] ...) expr ...)
(define-byte-regexp: ([id expr] ...) expr ...)
(define-byte-pregexp: ([id expr] ...) expr ...)
(let-regexp: ([id expr] ...) expr ...)
(let-pregexp: ([id expr] ...) expr ...)
(let-byte-regexp: ([id expr] ...) expr ...)
(let-byte-pregexp: ([id expr] ...) expr ...))]{}
@deftogether[(
@defform[(regexp: id pattern)]{}
@defform[(pregexp: id pattern)]{}
@defform[(byte-regexp: id pattern)]{}
@defform[(byte-pregexp: id pattern)]{}
)]{}
@deftogether[(
@defform[(define-regexp: ([id expr] ...) expr ...)]{}
@defform[(define-pregexp: ([id expr] ...) expr ...)]{}
@defform[(define-byte-regexp: ([id expr] ...) expr ...)]{}
@defform[(define-byte-pregexp: ([id expr] ...) expr ...)]{}
@defform[(let-regexp: ([id expr] ...) expr ...)]{}
@defform[(let-pregexp: ([id expr] ...) expr ...)]{}
@defform[(let-byte-regexp: ([id expr] ...) expr ...)]{}
@defform[(let-byte-pregexp: ([id expr] ...) expr ...)]{}
)]{}
@section{Mathematical Operators}
@ -120,11 +122,13 @@ The special cases are often convenient, but can lead to confusing behavior.@note
The following operators special-case all numeric constants, uniformly sweeping the problem under a rug.
@defform*[((+: e* ...)
(-: e* ...)
(*: e* ...)
(/: e* ...)
(expt: e1 e2))]{
@deftogether[(
@defform[(+: e* ...)]{}
@defform[(-: e* ...)]{}
@defform[(*: e* ...)]{}
@defform[(/: e* ...)]{}
@defform[(expt: e1 e2)]{}
)]{
Similar to the corresponding @racket[racket/base] operators, but reduces every pair of numeric constants in @racket[e* ...] during @emph{macro expansion}.
}
@ -139,8 +143,8 @@ Only constants are reduced.
Any non-constants will upset the static analysis.
@examples[#:eval trivial-eval
(lambda ([n : Integer])
(ann (-: n 2) Zero))
((lambda ([n : Integer])
(ann (-: n 2) Zero)) 2)
]
However, an expression such as @racket[(+ 1 2 n)] will compile to @racket[(+ 3 n)].
@ -152,8 +156,10 @@ However, an expression such as @racket[(+ 1 2 n)] will compile to @racket[(+ 3 n
When the arity of a function @racket[f] is known, we replace calls
to generic functions like @racket[curry] with specialized versions.
@defform*[((curry: f)
(map: f e* ...))]{
@deftogether[(
@defform[(curry: f)]{}
@defform[(map: f e* ...)]{}
)]{
If @racket[f] accepts 2 arguments, @racket[(curry f)] returns a function
of one argument @racket[x] which returns a function of one argument @racket[y]
which returns @racket[(f x y)].
@ -167,22 +173,24 @@ When the arity of a function @racket[f] is known, we replace calls
These vector operations store and update a vector's length information.
@defform*[((vector: e* ...)
(make-vector: i e)
(build-vector: i e)
(vector-length: v)
(vector-ref: v i)
(vector-set!: v i k)
(vector-map f v* ...)
(vector-map! f v* ...)
(vector-append: v1 v2)
(vector->list: v)
(vector->immutable-vector: v)
(vector-fill: v k)
(vector-take: v i)
(vector-take-right: v i)
(vector-drop: v i)
(vector-drop-right: v i))]{}
@deftogether[(
@defform[(vector: e* ...)]{}
@defform[(make-vector: i e)]{}
@defform[(build-vector: i e)]{}
@defform[(vector-length: v)]{}
@defform[(vector-ref: v i)]{}
@defform[(vector-set!: v i k)]{}
@defform[(vector-map f v* ...)]{}
@defform[(vector-map! f v* ...)]{}
@defform[(vector-append: v1 v2)]{}
@defform[(vector->list: v)]{}
@defform[(vector->immutable-vector: v)]{}
@defform[(vector-fill: v k)]{}
@defform[(vector-take: v i)]{}
@defform[(vector-take-right: v i)]{}
@defform[(vector-drop: v i)]{}
@defform[(vector-drop-right: v i)]{}
)]{}
@examples[#:eval trivial-eval
(vector-ref: (vector-append: '#(A) '#(B)) 0)
@ -193,14 +201,20 @@ These vector operations store and update a vector's length information.
@section{Binding forms}
@defmodule[trivial/define]
The @racket[let:] and @racket[define:] forms infer and propagate data about their
bindings.
@deftogether[(
@defform[(let: ([id e] ...) e)]{}
@defform[(define: id e)]{}
)]{
The @racket[let:] and @racket[define:] forms infer and propagate data about their
bindings.
}
@examples[#:eval trivial-eval
(let: ([n 0])
(ann (/ 3 3) One))
(let ([n 0])
(ann (/ 3 3) One))
(let: ([n 3])
(ann (/: n 3) One))
(let ([n 3])
(ann (/: n 3) One))
]
@ -213,10 +227,9 @@ Short essay: @hyperlink["http://www.ccs.neu.edu/home/types/publications/letter-o
Inspired by:
@itemlist[
@item{@hyperlink["http://www.ccs.neu.edu/home/samth/"]{Sam Tobin-Hochstadt}}
@item{@hyperlink["http://www.ccs.neu.edu/home/stchang/"]{Stephen Chang}}
@item{@hyperlink["http://www.ccs.neu.edu/home/matthias/"]{Matthias Felleisen}}
@item{@hyperlink["http://www.ccs.neu.edu/home/dherman/research/papers/icfp04-dsl-analysis.pdf"]{David Herman and Philippe Meunier}}
@item{@hyperlink["http://www.ccs.neu.edu/home/dherman/research/papers/icfp04-dsl-analysis.pdf"]{David Herman and Philippe Meunier}}
@item{@hyperlink["http://www.ccs.neu.edu/home/matthias/"]{Matthias Felleisen}}
@item{@hyperlink["http://www.ccs.neu.edu/home/stchang/"]{Stephen Chang}}
@item{@hyperlink["http://www.ccs.neu.edu/home/samth/"]{Sam Tobin-Hochstadt}}
]
The views/code expressed in this library do not necessarily reflect the good taste and decency of the aforementioned sources of inspiration.