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author | Ludovic Courtès <ludo@gnu.org> | 2022-07-10 12:39:44 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2022-07-10 23:57:14 +0200 |
commit | 9fdc4b6c283c5aa5cf10205d87fb2c58b829b9d0 (patch) | |
tree | 9458f4783146777e11efb0de96aa6677fe5d73d0 /tests/monads.scm | |
parent | bf0a646a5bcde489b602c58fbb63a93acb9d08f6 (diff) | |
download | guix-9fdc4b6c283c5aa5cf10205d87fb2c58b829b9d0.tar guix-9fdc4b6c283c5aa5cf10205d87fb2c58b829b9d0.tar.gz |
monads: Add 'mparameterize'.
* etc/system-tests.scm (mparameterize): Move to...
* guix/monads.scm (mparameterize): ... here.
* tests/monads.scm ("mparameterize"): New test.
* .dir-locals.el (c-mode): Add it.
Diffstat (limited to 'tests/monads.scm')
-rw-r--r-- | tests/monads.scm | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/tests/monads.scm b/tests/monads.scm index 18bf4119be..19b74f4fb9 100644 --- a/tests/monads.scm +++ b/tests/monads.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013, 2014, 2015, 2016, 2022 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -137,6 +137,19 @@ %monads %monad-run)) +(test-assert "mparameterize" + (let ((parameter (make-parameter 'outside))) + (every (lambda (monad run) + (equal? + (run (mlet monad ((outer (return (parameter))) + (inner + (mparameterize monad ((parameter 'inside)) + (return (parameter))))) + (return (list outer inner (parameter))))) + '(outside inside outside))) + %monads + %monad-run))) + (test-assert "mlet* + text-file + package-file" (run-with-store %store (mlet* %store-monad ((guile (package-file %bootstrap-guile "bin/guile")) |