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| author | Arun Isaac | 2021-07-20 16:32:50 +0530 |
|---|---|---|
| committer | Arun Isaac | 2021-07-20 16:32:50 +0530 |
| commit | 54d5ce4ecdc414c74afd3cf2b37fbebb82c3cc81 (patch) | |
| tree | b7623e765390c5a9b7f3a365985ae58c30885c7c /ccwl | |
| parent | 308bc011949752f0b452dac5081814674d73f62a (diff) | |
| download | ccwl-54d5ce4ecdc414c74afd3cf2b37fbebb82c3cc81.tar.gz ccwl-54d5ce4ecdc414c74afd3cf2b37fbebb82c3cc81.tar.lz ccwl-54d5ce4ecdc414c74afd3cf2b37fbebb82c3cc81.zip | |
ccwl: Document syntax-lambda** support for default arguments.
* ccwl/utils.scm (syntax-lambda**): Add example to docstring
documenting support for default arguments.
* tests/utils.scm ("syntax-lambda** with default values"): New test.
Diffstat (limited to 'ccwl')
| -rw-r--r-- | ccwl/utils.scm | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/ccwl/utils.scm b/ccwl/utils.scm index 067308f..c018237 100644 --- a/ccwl/utils.scm +++ b/ccwl/utils.scm @@ -183,7 +183,15 @@ writing macros that accept keyword arguments. For example, ((syntax-lambda** (a b #:key foo #:key* bar) (list a b foo bar)) #'(foo 1 2 #:foo 123 #:bar 1 2 3)) -=> (#'1 #'2 #'123 (#'1 #'2 #'3))" +=> (#'1 #'2 #'123 (#'1 #'2 #'3)) + +Just like lambda**, syntax-lambda** also supports default values for +arguments. For example, + +((syntax-lambda** (foo aal #:key vale (pal 9) #:key* naal (irandu 7) (sol 3 2 1)) + (list foo aal vale pal naal irandu sol)) + #'(bar 1 2 #:vale 123 #:naal 321 456)) +=> (#'1 #'2 #'123 9 (#'321 #'456) (7) (3 2 1))" (lambda (x) (apply (lambda** formal-args body ...) (with-ellipsis ::: |