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Add ∘[₁] as aliases for compose[1] #5115

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Add ∘[₁] as aliases for compose[1] #5115

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7 changes: 6 additions & 1 deletion pkgs/racket-doc/scribblings/reference/procedures.scrbl
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Expand Up @@ -33,7 +33,9 @@ arguments; otherwise, the @exnraise[exn:fail:contract]. The given
]}

@deftogether[(@defproc[(compose [proc procedure?] ...) procedure?]
@defproc[(compose1 [proc procedure?] ...) procedure?])]{
@defproc[(compose1 [proc procedure?] ...) procedure?]
@defproc[(∘ [proc procedure?] ...) procedure?]
@defproc[(∘₁ [proc procedure?] ...) procedure?])]{

Returns a procedure that composes the given functions, applying the last
@racket[proc] first and the first @racket[proc] last. The @racket[compose] function
Expand All @@ -45,6 +47,9 @@ the output arity of the first are unrestricted, and they become the
corresponding arity of the resulting composition (including keyword
arguments for the input side).

@racket[∘] and @racket[∘₁] are aliases for @racket[compose] and @racket[compose1]
respectively.

When no @racket[proc] arguments are given, the result is
@racket[values]. When exactly one is given, it is returned.

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4 changes: 2 additions & 2 deletions racket/collects/racket/private/list.rkt
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Expand Up @@ -32,8 +32,8 @@

reverse

compose
compose1)
compose (rename-out [compose ∘])
compose1 (rename-out [compose ∘₁]))

(#%require (rename "sort.rkt" raw-sort sort)
(for-syntax "stxcase-scheme.rkt")
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