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instance method
Array#freeze
() -> self
freeze → self
array.c
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VALUE
rb_ary_freeze(VALUE ary)
{
RUBY_ASSERT(RB_TYPE_P(ary, T_ARRAY));
if (OBJ_FROZEN(ary)) return ary;
if (!ARY_EMBED_P(ary) && !ARY_SHARED_P(ary) && !ARY_SHARED_ROOT_P(ary)) {
ary_shrink_capa(ary);
}
return rb_obj_freeze(ary);
}
Freezes self, preventing further modifications; see Frozen Objects.