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Add performance hint to var-promote.

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This commit is contained in:
Eric Dobson 2014-05-19 22:31:18 -07:00
parent 9efa4af051
commit 01b2b8376e
1 changed files with 39 additions and 38 deletions
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13
pkgs/typed-racket-pkgs/typed-racket-lib/typed-racket/infer/promote-demote.rkt
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@ -3,6 +3,7 @@
(require "../utils/utils.rkt"
(rep type-rep rep-utils)
(types abbrev union utils structural)
racket/performance-hint
racket/list racket/match)
(provide/cond-contract
@ -21,8 +22,8 @@
[(Values: (list (Result: _ lf _) ...)) lf]
[(ValuesDots: (list (Result: _ lf _) ...) _ _) lf]))
(define-values (var-promote var-demote)
(let ()
(begin-encourage-inline
(define (var-change V T change)
(define (structural-recur t sym)
(case sym
@ -57,7 +58,7 @@
[(? Filter?) ((sub-f co) T)]
[(? Object?) ((sub-o co) T)]
[(? Type?) ((sub-t co) T)]))
(values
(lambda (T V) (var-change V T #t))
(lambda (T V) (var-change V T #f)))))
(define (var-promote T V)
(var-change V T #t))
(define (var-demote T V)
(var-change V T #f)))