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Avoid needless object allocation

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Kazuki Tsujimoto 2019-11-19 08:53:01 -06:00
parent 822d7ae316
commit 2439948bcc
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3 changed files with 7 additions and 2 deletions
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5
struct.c
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@ -957,12 +957,15 @@ rb_struct_deconstruct_keys(VALUE s, VALUE keys)
rb_obj_class(keys));
}
if (RSTRUCT_LEN(s) < RARRAY_LEN(keys)) {
return rb_hash_new_with_size(0);
}
h = rb_hash_new_with_size(RARRAY_LEN(keys));
for (i=0; i<RARRAY_LEN(keys); i++) {
VALUE key = RARRAY_AREF(keys, i);
int i = rb_struct_pos(s, &key);
if (i < 0) {
return rb_hash_new_with_size(0);
return h;
}
rb_hash_aset(h, key, RSTRUCT_GET(s, i));
}