forked from Mirror/wren
de6a312868
new API functions for maps: wrenSetSlotNewMap wrenGetMapCount wrenGetMapContainsKey wrenGetMapValue wrenSetMapValue wrenRemoveMapValue
52 lines
1.5 KiB
Plaintext
52 lines
1.5 KiB
Plaintext
class Slots {
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foreign static noSet
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foreign static getSlots(bool, num, string, bytes, value)
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foreign static setSlots(a, b, c, d, e)
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foreign static slotTypes(bool, foreignObj, list, map, nullObj, num, string, unknown)
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foreign static ensure()
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foreign static ensureOutsideForeign()
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foreign static getListCount(list)
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foreign static getListElement(list, index)
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foreign static getMapValue(map, key)
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}
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foreign class ForeignType {
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construct new() {}
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}
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// If nothing is set in the return slot, it retains its previous value, the
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// receiver.
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System.print(Slots.noSet == Slots) // expect: true
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var value = ["value"]
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System.print(Slots.getSlots(true, "by\0te", 1.5, "str", value) == value)
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// expect: true
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System.print(Slots.setSlots(value, 0, 0, 0, 0) == value)
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// expect: true
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System.print(Slots.slotTypes(false, ForeignType.new(), [], {}, null, 1.2, "str", 1..2))
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// expect: true
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System.print(Slots.ensure())
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// expect: 1 -> 20 (190)
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System.print(Slots.ensureOutsideForeign())
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// expect: 0 -> 20 (190)
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var ducks = ["Huey", "Dewey", "Louie"]
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System.print(Slots.getListCount(ducks)) // expect: 3
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System.print(Slots.getListElement(ducks, 0)) // expect: Huey
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System.print(Slots.getListElement(ducks, 1)) // expect: Dewey
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var capitals = {
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"England": "London",
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"Scotland": "Edinburgh",
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"Wales": "Cardiff",
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"N. Ireland": "Belfast"
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}
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System.print(Slots.getMapValue(capitals, "England")) // expect: London
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System.print(Slots.getMapValue(capitals, "Wales")) // expect: Cardiff
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System.print(Slots.getMapValue(capitals, "S. Ireland")) // expect: null
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