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Implement Range#minmax

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Range#minmax was previous not implemented, so calling #minmax on
range was actually calling Enumerable#minmax.  This is a simple
implementation of #minmax by just calling range_min and range_max.

Fixes [Bug #15867]
Fixes [Bug #15807]
This commit is contained in:
Jeremy Evans 2019-06-07 22:03:02 -07:00
parent 661927a4c5
commit d5c60214c4
2 changed files with 43 additions and 0 deletions
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22
range.c
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@ -1211,6 +1211,27 @@ range_max(int argc, VALUE *argv, VALUE range)
}
}
/*
* call-seq:
* rng.minmax -> [obj, obj]
* rng.minmax {| a,b | block } -> [obj, obj]
*
* Returns a two element array which contains the minimum and the
* maximum value in the range.
*
* Can be given an optional block to override the default comparison
* method <code>a <=> b</code>.
*/
static VALUE
range_minmax(VALUE range)
{
if (rb_block_given_p()) {
return rb_call_super(0, NULL);
}
return rb_assoc_new(range_min(0, NULL, range), range_max(0, NULL, range));
}
int
rb_range_values(VALUE range, VALUE *begp, VALUE *endp, int *exclp)
{
@ -1697,6 +1718,7 @@ Init_Range(void)
rb_define_method(rb_cRange, "last", range_last, -1);
rb_define_method(rb_cRange, "min", range_min, -1);
rb_define_method(rb_cRange, "max", range_max, -1);
rb_define_method(rb_cRange, "minmax", range_minmax, 0);
rb_define_method(rb_cRange, "size", range_size, 0);
rb_define_method(rb_cRange, "to_a", range_to_a, 0);
rb_define_method(rb_cRange, "entries", range_to_a, 0);