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(scm_stable_sort): Return empty list for input empty list, as

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done in guile 1.6 and as always done by plain `sort'.  Was falling
through to SCM_WRONG_TYPE_ARG.
This commit is contained in:
Kevin Ryde 2007-01-24 23:04:09 +00:00
parent 019618da74
commit 2081b955ad
1 changed files with 3 additions and 0 deletions
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3
libguile/sort.c
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@ -531,6 +531,9 @@ SCM_DEFINE (scm_stable_sort, "stable-sort", 2, 0, 0,
"This is a stable sort.") "This is a stable sort.")
#define FUNC_NAME s_scm_stable_sort #define FUNC_NAME s_scm_stable_sort
{ {
if (SCM_NULL_OR_NIL_P (items))
return SCM_EOL;
if (scm_is_pair (items)) if (scm_is_pair (items))
return scm_stable_sort_x (scm_list_copy (items), less); return scm_stable_sort_x (scm_list_copy (items), less);
else if (scm_is_vector (items)) else if (scm_is_vector (items))