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Diffstat (limited to 'mew.svnwiki')
| -rw-r--r-- | mew.svnwiki | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mew.svnwiki b/mew.svnwiki index 5329267..2e8026e 100644 --- a/mew.svnwiki +++ b/mew.svnwiki @@ -193,3 +193,18 @@ a value {{equal?}} to the preceding one, then stops. <procedure>(last <gen>)</procedure> Run the generator {{<gen>}} until it stops and return the last value. + + +== Special syntax + +<syntax>(-> a -> b c -> d e f)</syntax> +<syntax>(->> a ->> b c ->> d e f)</syntax> + +Nesting macros: {{->}} inserts the previous part as the second argument: +{{(-> a -> b c -> d e f)}} expands to {{(d (b a c) e f)}}. + +{{->>}} inserts the previous part as the last argument: +{{(->> a ->> b c ->> d e f)}} expands to {{(d e f (b c a))}}. + +You can mix {{->}} and {{->>}} macros: +{{(->> a -> b c ->> d e f)}} expands to {{(d e f (b a c))}}. |