diff options
| author | Chris Marusich <cmmarusich@gmail.com> | 2017-04-06 02:28:34 -0700 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2017-04-08 14:40:50 +0200 |
| commit | d922c8e4b773407ca525360e8c564484db34db07 (patch) | |
| tree | 4cc81978916f2a139e0b691dbe259631549bacc4 | |
| parent | 1d65b5379b33951298cb8a763e0140bb1ec43404 (diff) | |
monads: Use intent-revealing parameter names.
* guix/monads.scm (mwhen, munless): Rename parameters from 'exp0' and 'exp' to
'mexp0' and 'mexp', respectively. This makes it more obvious that these
expressions must be monadic expressions.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
| -rw-r--r-- | guix/monads.scm | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/guix/monads.scm b/guix/monads.scm index 0b0ad239de..6933f7f151 100644 --- a/guix/monads.scm +++ b/guix/monads.scm @@ -204,23 +204,23 @@ the last one." (define-syntax mwhen (syntax-rules () - "When CONDITION is true, evaluate EXP0..EXP* as in an 'mbegin'. When + "When CONDITION is true, evaluate MEXP0..MEXP* as in an 'mbegin'. When CONDITION is false, return *unspecified* in the current monad." - ((_ condition exp0 exp* ...) + ((_ condition mexp0 mexp* ...) (if condition (mbegin %current-monad - exp0 exp* ...) + mexp0 mexp* ...) (return *unspecified*))))) (define-syntax munless (syntax-rules () - "When CONDITION is false, evaluate EXP0..EXP* as in an 'mbegin'. When + "When CONDITION is false, evaluate MEXP0..MEXP* as in an 'mbegin'. When CONDITION is true, return *unspecified* in the current monad." - ((_ condition exp0 exp* ...) + ((_ condition mexp0 mexp* ...) (if condition (return *unspecified*) (mbegin %current-monad - exp0 exp* ...))))) + mexp0 mexp* ...))))) (define-syntax define-lift (syntax-rules () |