2 USING: functors tools.test math words kernel multiline parser
3 io.streams.string generic ;
7 FUNCTOR: define-box ( T -- )
9 B DEFINES-CLASS ${T}-box
14 TUPLE: B { value T } ;
24 { 1 0 } [ define-box ] must-infer-as
26 [ T{ float-box f 5.0 } ] [ 5.0 <float-box> ] unit-test
29 [ execute ] [ execute ] bi ; inline
32 FUNCTOR: wrapper-test ( W -- )
38 : WW ( a -- b ) \ W twice ; inline
46 [ 16 ] [ 2 sqsq ] unit-test
50 FUNCTOR: wrapper-test-2 ( W -- )
56 : W ( a b -- c ) \ + execute ;
64 [ 4 ] [ 1 3 blah ] unit-test
66 GENERIC: some-generic ( a -- b )
68 ! Does replacing an ordinary word with a functor-generated one work?
74 M: some-tuple some-generic ;
75 "> <string-reader> "functors-test" parse-stream
78 : test-redefinition ( -- )
79 [ t ] [ "some-word" "functors.tests" lookup >boolean ] unit-test
80 [ t ] [ "some-tuple" "functors.tests" lookup >boolean ] unit-test
82 "some-tuple" "functors.tests" lookup
83 "some-generic" "functors.tests" lookup method >boolean
88 FUNCTOR: redefine-test ( W -- )
90 W-word DEFINES ${W}-word
91 W-tuple DEFINES-CLASS ${W}-tuple
92 W-generic IS ${W}-generic
98 M: W-tuple W-generic ;
103 <" IN: functors.tests
104 << "some" redefine-test >>
105 "> <string-reader> "functors-test" parse-stream