afcf52e623
This PR generates `.ctorIdx` functions for all inductive types, not just enumeration types. This can be a building block for other constructions (`BEq`, `noConfusion`) that are size-efficient even for large inductives. It also renames it from `.toCtorIdx` to `.ctorIdx`, which is the more idiomatic naming. The old name exists as an alias, with a deprecation attribute to be added after the next stage0 update. These functions can arguably compiled down to a rather efficient tag lookup, rather than a `case` statement. This is future work (but hopefully near future). For a fair number of basic types the compiler is not able to compile a function using `casesOn` until further definitions have been defined. This therefore (ab)uses the `genInjectivity` flag and `gen_injective_theorems%` command to also control the generation of this construct. For (slightly) more efficient kernel reduction one could use `.rec` rather than `.casesOn`. I did not do that yet, also because it complicates compilation.
72 lines
2.2 KiB
Text
72 lines
2.2 KiB
Text
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"position": {"line": 14, "character": 14}}
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{"items":
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[{"label": "noConfusionType",
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"kind": 3,
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"data":
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{"params":
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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"position": {"line": 14, "character": 14}},
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"id": {"const": {"declName": "Direction.noConfusionType"}},
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"cPos": 0}},
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{"label": "left",
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"kind": 4,
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"data":
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{"params":
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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"position": {"line": 14, "character": 14}},
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"id": {"const": {"declName": "Direction.left"}},
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"cPos": 0}},
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{"label": "right",
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"kind": 4,
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"data":
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{"params":
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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"position": {"line": 14, "character": 14}},
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"id": {"const": {"declName": "Direction.right"}},
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"cPos": 0}},
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{"label": "up",
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"kind": 4,
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"data":
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{"params":
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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"position": {"line": 14, "character": 14}},
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"id": {"const": {"declName": "Direction.up"}},
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"cPos": 0}},
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{"label": "down",
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"kind": 4,
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"data":
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{"params":
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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"position": {"line": 14, "character": 14}},
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"id": {"const": {"declName": "Direction.down"}},
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"cPos": 0}}],
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"isIncomplete": true}
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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{"params":
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"position": {"line": 28, "character": 30}},
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"id": {"const": {"declName": "CustomAnd.mk"}},
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"cPos": 0}},
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{"label": "hb",
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"kind": 23,
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"data":
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{"params":
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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"position": {"line": 28, "character": 30}},
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"id": {"const": {"declName": "CustomAnd.hb"}},
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"cPos": 0}},
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{"label": "ha",
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"kind": 23,
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"data":
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{"params":
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{"textDocument": {"uri": "file:///completionFallback.lean"},
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"position": {"line": 28, "character": 30}},
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"id": {"const": {"declName": "CustomAnd.ha"}},
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"isIncomplete": false}
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