eql?(p1)
Returns true only if obj is a Range, has equivalent beginning and end items (by comparing them with #eql?), and has the same #exclude_end? setting as rng.
(0..2).eql?(0..2) #=> true (0..2).eql?(Range.new(0,2)) #=> true (0..2).eql?(0...2) #=> false
static VALUE range_eql(VALUE range, VALUE obj) { if (range == obj) return Qtrue; if (!rb_obj_is_kind_of(obj, rb_cRange)) return Qfalse; return rb_exec_recursive_paired(recursive_eql, range, obj, obj); }