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| author | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-08-10 10:47:34 +0200 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-08-10 10:47:34 +0200 |
| commit | 60d2623efc54eb38d8f4e087f39b32bee4e1aee8 (patch) | |
| tree | 2a02cefda0823591392f7da306c4be63bd718e1b /module/srfi | |
| parent | Partial search page works, but alway times out first. (diff) | |
| download | calp-60d2623efc54eb38d8f4e087f39b32bee4e1aee8.tar.gz calp-60d2623efc54eb38d8f4e087f39b32bee4e1aee8.tar.xz | |
Add stream-timeslice-limit.
Diffstat (limited to 'module/srfi')
| -rw-r--r-- | module/srfi/srfi-41/util.scm | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/module/srfi/srfi-41/util.scm b/module/srfi/srfi-41/util.scm index 472170d7..a6c6dc3d 100644 --- a/module/srfi/srfi-41/util.scm +++ b/module/srfi/srfi-41/util.scm @@ -102,6 +102,21 @@ (define*-public (stream-paginate stream optional: (page-size 10)) (stream-paginate% stream page-size)) + +(define (eager-stream-cons a b) + (stream-cons a b)) + +(use-modules (ice-9 sandbox) ) +(define (stream-timeslice-limit strm) + (call-with-time-limit + 0.1 + (lambda () (eager-stream-cons + (stream-car strm) + (stream-timeslice-limit (stream-cdr strm)))) + (lambda _ stream-null))) + +(export stream-timeslice-limit) + ;; Evaluates @var{body} in a context where most list fundamentals are ;; replaced by stream alternatives. ;; commented defifinitions are items which could be included, but for |