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author | Kaz Kylheku <kaz@kylheku.com> | 2015-11-10 06:46:53 -0800 |
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committer | Kaz Kylheku <kaz@kylheku.com> | 2015-11-10 06:46:53 -0800 |
commit | e52438a4ff3e470863b3122cfd46a95c3a417516 (patch) | |
tree | e75088d5ac403a61c539a6916823cd8767b971db /eval.c | |
parent | 1b033ba4d434efc0c1d55c33305b686338eb5f50 (diff) | |
download | txr-e52438a4ff3e470863b3122cfd46a95c3a417516.tar.gz txr-e52438a4ff3e470863b3122cfd46a95c3a417516.tar.bz2 txr-e52438a4ff3e470863b3122cfd46a95c3a417516.zip |
New function: group-reduce.
* eval.c (eval_init): Register group-reduce intrinsic.
* hash.c (group_reduce): New function.
* hash.h (group_reduce): Declared.
* txr.1: Documented group-reduce.
Diffstat (limited to 'eval.c')
-rw-r--r-- | eval.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -4636,6 +4636,8 @@ void eval_init(void) reg_fun(intern(lit("hash-subset"), user_package), func_n2(hash_subset)); reg_fun(intern(lit("hash-proper-subset"), user_package), func_n2(hash_proper_subset)); reg_fun(intern(lit("group-by"), user_package), func_n2v(group_by)); + reg_fun(intern(lit("group-reduce"), user_package), + func_n6o(group_reduce, 4)); reg_fun(intern(lit("sort-group"), user_package), func_n3o(sort_group, 1)); reg_fun(intern(lit("unique"), user_package), func_n2ov(unique, 1)); reg_fun(intern(lit("uniq"), user_package), func_n1(uniq)); |