method

collect

Ruby latest stable (v1_8_7_72) - 0 notes - Class: Enumerable

1_8_6_287 (0)
1_8_7_72 (-38)
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collect() public

Returns a new array with the results of running block once for every element in enum.

   (1..4).collect {|i| i*i }   #=> [1, 4, 9, 16]
   (1..4).collect { "cat"  }   #=> ["cat", "cat", "cat", "cat"]

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/*
 *  call-seq:
 *     enum.collect {| obj | block }  => array
 *     enum.map     {| obj | block }  => array
 *
 *  Returns a new array with the results of running <em>block</em> once
 *  for every element in <i>enum</i>.
 *
 *     (1..4).collect {|i| i*i }   #=> [1, 4, 9, 16]
 *     (1..4).collect { "cat"  }   #=> ["cat", "cat", "cat", "cat"]
 *
 */

static VALUE
enum_collect(obj)
    VALUE obj;
{
    VALUE ary = rb_ary_new();

    rb_iterate(rb_each, obj, rb_block_given_p() ? collect_i : collect_all, ary);

    return ary;
}

collect

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