diff options
Diffstat (limited to 'range.c')
-rw-r--r-- | range.c | 34 |
1 files changed, 34 insertions, 0 deletions
@@ -201,6 +201,38 @@ range_eqq(range, obj) } static VALUE +range_eql(range, obj) + VALUE range, obj; +{ + if (range == obj) return Qtrue; + if (!rb_obj_is_kind_of(obj, rb_cRange)) return Qfalse; + + if (!rb_eql(rb_ivar_get(range, id_beg), rb_ivar_get(obj, id_beg))) + return Qfalse; + if (!rb_eql(rb_ivar_get(range, id_end), rb_ivar_get(obj, id_end))) + return Qfalse; + + if (EXCL(range) != EXCL(obj)) return Qfalse; + + return Qtrue; +} + +static VALUE +range_hash(range, obj) + VALUE range, obj; +{ + long hash = EXCL(range); + VALUE v; + + v = rb_hash(rb_ivar_get(range, id_beg)); + hash ^= v << 1; + v = rb_hash(rb_ivar_get(range, id_end)); + hash ^= v << 9; + + return INT2FIX(hash); +} + +static VALUE range_each(range) VALUE range; { @@ -524,6 +556,8 @@ Init_Range() rb_define_method(rb_cRange, "initialize", range_initialize, -1); rb_define_method(rb_cRange, "==", range_eq, 1); rb_define_method(rb_cRange, "===", range_eqq, 1); + rb_define_method(rb_cRange, "eql?", range_eql, 1); + rb_define_method(rb_cRange, "hash", range_hash, 0); rb_define_method(rb_cRange, "each", range_each, 0); rb_define_method(rb_cRange, "step", range_step, -1); rb_define_method(rb_cRange, "first", range_first, 0); |