e$B1sF#$G$9!#e(B
Integer#hex e$B$He(B #oct e$B$rDI2C$9$k$N$O$I$&$G$7$g$&$+!#e(B
String#hex e$B$?$A$NH?E>$G$9!#e(B
10000.hex #=> “2710”
irb e$B$r7W;;5!Be$o$j$K;H$&>l9g$KJXMx$@$H;W$$$^$9!#e(B
10000.to_s(16) e$B$O$A$g$C$HD9$9$.$G$9$7!#e(B
Index: numeric.c
— numeric.c (revision 16716)
+++ numeric.c (working copy)
@@ -3042,6 +3042,36 @@
/*
- call-seq:
-
-
int.hex => string
-
-
-
- Returns a string of hexadecimal digits; equivalent to int.to_s(16).
-
-
-
0.hex #=> "0"
-
-
-
10000.hex #=> "2710"
-
- */
+static VALUE
+int_hex(VALUE num)
+{ - return rb_funcall(num, rb_intern(“to_s”), 1, INT2FIX(16));
+}
+/*
-
- call-seq:
-
-
int.oct => string
-
-
-
- Returns a string of octal digits; equivalent to int.to_s(8).
-
-
-
0.oct #=> "0"
-
-
-
10000.oct #=> "23420"
-
- */
+static VALUE
+int_oct(VALUE num)
+{ - return rb_funcall(num, rb_intern(“to_s”), 1, INT2FIX(8));
+}
+/*
-
- call-seq:
-
fix.zero? => true or false - Returns
trueif fix is zero.
@@ -3163,6 +3193,8 @@
rb_define_method(rb_cInteger, “ceil”, int_to_i, 0);
rb_define_method(rb_cInteger, “truncate”, int_to_i, 0);
rb_define_method(rb_cInteger, “round”, int_round, -1);
-
rb_define_method(rb_cInteger, “hex”, int_hex, 0);
-
rb_define_method(rb_cInteger, “oct”, int_oct, 0);
rb_cFixnum = rb_define_class(“Fixnum”, rb_cInteger);
rb_include_module(rb_cFixnum, rb_mPrecision);
Index: test/ruby/test_integer.rb
===================================================================
— test/ruby/test_integer.rb (revision 16716)
+++ test/ruby/test_integer.rb (working copy)
@@ -190,4 +190,14 @@
assert_equal(2 ** 50, Integer(2.0 ** 50))
assert_raise(TypeError) { Integer(nil) }
end -
def test_hex
-
assert_equal(“0”, 0.hex)
-
assert_equal(“2710”, 10000.hex)
-
end
-
def test_oct
-
assert_equal(“0”, 0.oct)
-
assert_equal(“23420”, 10000.oct)
-
end
end