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| author | Kaz Kylheku <kaz@kylheku.com> | 2017-02-05 16:11:00 -0800 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2017-02-05 16:11:00 -0800 |
| commit | 38bb7375b93b048be6331e3376e091e7506e0fde (patch) | |
| tree | 4e9245ddd5b5a4d5844386b5512489a5f3fca40f /share | |
| parent | 70ddb25b6534b1dbf0e69b53dc768a80bb4838e0 (diff) | |
| download | txr-38bb7375b93b048be6331e3376e091e7506e0fde.tar.gz txr-38bb7375b93b048be6331e3376e091e7506e0fde.tar.bz2 txr-38bb7375b93b048be6331e3376e091e7506e0fde.zip | |
Adding whena macro.
We have ifa and conda; whena is conspicuously absent.
* lisplib.c (ifa_set_entries): Add autoload entry for whena.
* share/txr/stdlib/ifa.tl (whena): New macro.
* txr.1: Documented whena.
Diffstat (limited to 'share')
| -rw-r--r-- | share/txr/stdlib/ifa.tl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/share/txr/stdlib/ifa.tl b/share/txr/stdlib/ifa.tl index 170e8eb5..e99d5d40 100644 --- a/share/txr/stdlib/ifa.tl +++ b/share/txr/stdlib/ifa.tl @@ -66,6 +66,9 @@ (if (,sym ,*(if (eq 'dwim sym) ^(,(second test))) ,*temps) ,then ,else))))))))) +(defmacro whena (test . body) + ^(ifa ,test (progn ,*body))) + (macro-time (defun sys:if-to-cond (if-oper cond-oper pairs) (tree-case pairs |