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instance method

Enumerable#include?

enum.include?(obj) → true or false

static VALUE
enum_member(VALUE obj, VALUE val)
{
    struct MEMO *memo = MEMO_NEW(val, Qfalse, 0);

    rb_block_call(obj, id_each, 0, 0, member_i, (VALUE)memo);
    return memo->v2;
}

Alias of #member?

Returns true if any member of enum equals obj. Equality is tested using ==.

Example

(1..10).include? 5  #=> true
(1..10).include? 15 #=> false
(1..10).member? 5   #=> true
(1..10).member? 15  #=> false

See also #member? #group_by #inject #grep_v also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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