Method: Array#clear

Defined in:
array.c

#clearself

Removes all elements from self; returns self:

a = [:foo, 'bar', 2]
a.clear # => []

Related: see Methods for Deleting.

Returns:

  • (self)


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# File 'array.c', line 4728

VALUE
rb_ary_clear(VALUE ary)
{
    rb_ary_modify_check(ary);
    if (ARY_SHARED_P(ary)) {
        rb_ary_unshare(ary);
        FL_SET_EMBED(ary);
        ARY_SET_EMBED_LEN(ary, 0);
    }
    else {
        ARY_SET_LEN(ary, 0);
        if (ARY_DEFAULT_SIZE * 2 < ARY_CAPA(ary)) {
            ary_resize_capa(ary, ARY_DEFAULT_SIZE * 2);
        }
    }
    ary_verify(ary);
    return ary;
}