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instance method

Enumerator::Lazy#filter

() { (E) -> ::boolish } -> ::Array[E]

() -> ::Enumerator[E, ::Array[E]]

lazy.filter { |obj| block } → lazy_enumerator

static VALUE
lazy_select(VALUE obj)
{
    LAZY_NEED_BLOCK(select);
    return lazy_add_method(obj, 0, 0, Qnil, Qnil, &lazy_select_funcs);
}

Alias of #select

Like Enumerable#select, but chains operation to be lazy-evaluated.

See also #select #enum_for #filter_map #eager also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0