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Introduce rb_ary_union method in Array

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Avoid repeating code and improve readability in `rb_ary_or` and
`rb_ary_union_multi`.

[Fix GH-1747] [Feature #14097]

From: Ana María Martínez Gómez <ammartinez@suse.de>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-09-20 03:18:53 +00:00
parent 744e816f55
commit d0f9184f8b
1 changed files with 15 additions and 24 deletions
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39
array.c
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@ -4271,6 +4271,17 @@ ary_hash_orset(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
return ST_CONTINUE;
}
static void
rb_ary_union(VALUE ary_union, VALUE ary)
{
long i;
for (i = 0; i < RARRAY_LEN(ary); i++) {
VALUE elt = rb_ary_elt(ary, i);
if (rb_ary_includes_by_eql(ary_union, elt)) continue;
rb_ary_push(ary_union, elt);
}
}
/*
* call-seq:
* ary | other_ary -> new_ary
@ -4295,16 +4306,8 @@ rb_ary_or(VALUE ary1, VALUE ary2)
ary2 = to_ary(ary2);
if (RARRAY_LEN(ary1) + RARRAY_LEN(ary2) <= SMALL_ARRAY_LEN) {
ary3 = rb_ary_new();
for (i=0; i<RARRAY_LEN(ary1); i++) {
VALUE elt = rb_ary_elt(ary1, i);
if (rb_ary_includes_by_eql(ary3, elt)) continue;
rb_ary_push(ary3, elt);
}
for (i=0; i<RARRAY_LEN(ary2); i++) {
VALUE elt = rb_ary_elt(ary2, i);
if (rb_ary_includes_by_eql(ary3, elt)) continue;
rb_ary_push(ary3, elt);
}
rb_ary_union(ary3, ary1);
rb_ary_union(ary3, ary2);
return ary3;
}
@ -4353,21 +4356,9 @@ rb_ary_union_multi(int argc, VALUE *argv, VALUE ary)
if (sum <= SMALL_ARRAY_LEN) {
ary_union = rb_ary_new();
for (j = 0; j < RARRAY_LEN(ary); j++) {
VALUE elt = rb_ary_elt(ary, j);
if (rb_ary_includes_by_eql(ary_union, elt)) continue;
rb_ary_push(ary_union, elt);
}
rb_ary_union(ary_union, ary);
for (i = 0; i < argc; i++) rb_ary_union(ary_union, argv[i]);
for (i = 0; i < argc; i++) {
VALUE argv_i = argv[i];
for (j = 0; j < RARRAY_LEN(argv_i); j++) {
VALUE elt = rb_ary_elt(argv_i, j);
if (rb_ary_includes_by_eql(ary_union, elt)) continue;
rb_ary_push(ary_union, elt);
}
}
return ary_union;
}