| 1 | ## our_shell: ysh
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| 2 | ## oils_failures_allowed: 2
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| 3 |
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| 4 | #### Object() creates prototype chain
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| 5 |
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| 6 | func Rect_area(this) {
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| 7 | return (this.x * this.y)
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| 8 | }
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| 9 |
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| 10 | var Rect = Object(null, {area: Rect_area})
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| 11 |
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| 12 | var rect1 = Object(Rect, {x: 3, y: 4})
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| 13 | var rect2 = Object(Rect, {x: 10, y: 20})
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| 14 |
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| 15 | # This could change to show the object?
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| 16 | # pp test_ (rect)
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| 17 |
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| 18 | # TODO: This should be a bound function
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| 19 | #pp asdl_ (rect)
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| 20 | #pp (rect.area)
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| 21 | #pp (rect->area)
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| 22 |
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| 23 | var area1 = rect1.area()
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| 24 | var area2 = rect2.area()
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| 25 |
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| 26 | pp test_ ([rect1.x, rect1.y])
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| 27 | echo "area1 = $area1"
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| 28 |
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| 29 | pp test_ ([rect2.x, rect2.y])
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| 30 | echo "area2 = $area2"
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| 31 |
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| 32 | #pp test_ (rect1.nonexistent)
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| 33 |
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| 34 | ## STDOUT:
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| 35 | (List) [3,4]
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| 36 | area1 = 12
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| 37 | (List) [10,20]
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| 38 | area2 = 200
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| 39 | ## END
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| 40 |
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| 41 | #### can't encode objects as JSON
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| 42 |
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| 43 | var Rect = Object(null, {})
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| 44 |
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| 45 | json write (Rect)
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| 46 | echo 'nope'
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| 47 |
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| 48 | ## status: 1
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| 49 | ## STDOUT:
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| 50 | ## END
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| 51 |
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| 52 | #### pretty printing of cycles
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| 53 |
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| 54 | var d = {k: 42}
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| 55 | setvar d.cycle = d
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| 56 |
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| 57 | pp test_ (d)
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| 58 |
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| 59 | var o = Object(null, d)
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| 60 |
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| 61 | pp test_ (o)
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| 62 |
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| 63 | var o2 = Object(o, {z: 99})
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| 64 |
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| 65 | pp test_ (o2)
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| 66 |
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| 67 | ## STDOUT:
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| 68 | ## END
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| 69 |
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| 70 | #### setvar obj.attr
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| 71 |
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| 72 | func Rect_area(this) {
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| 73 | return (this.x * this.y)
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| 74 | }
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| 75 |
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| 76 | var Rect = Object(null, {area: Rect_area})
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| 77 |
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| 78 | var rect1 = Object(Rect, {x: 3, y: 4})
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| 79 |
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| 80 | pp test_ (rect1)
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| 81 |
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| 82 | # Right now it's not mutable
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| 83 | setvar rect1.x = 99
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| 84 |
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| 85 | pp test_ (rect1)
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| 86 |
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| 87 | ## STDOUT:
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| 88 | (Obj) {"x":3,"y":4} ==> {"area":<Func>}
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| 89 | ## END
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| 90 |
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| 91 | #### Can all builtin methods with s.upper()
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| 92 |
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| 93 | var s = 'foo'
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| 94 | var x = s.upper()
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| 95 | var y = "--$[x.lower()]"
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| 96 |
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| 97 | pp test_ (x)
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| 98 | pp test_ (y)
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| 99 |
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| 100 | # TODO:
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| 101 | # keys(d) values(d) instead of d.keys() and d.values()
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| 102 | #
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| 103 | # mutating methods are OK?
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| 104 | # call d->inc(x)
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| 105 |
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| 106 | ## STDOUT:
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| 107 | (Str) "FOO"
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| 108 | (Str) "--foo"
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| 109 | ## END
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