26 lines
600 B
Text
26 lines
600 B
Text
variable A : Type.{1}
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variable a : A
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variable g : A → A
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variable f : A → A → A
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precedence `|` : 0
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(*
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local f = Const("f")
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local g = Const("g")
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local bar = name("|")
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local rcurly = name("}")
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local lcurly = name("{")
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function parse_set()
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parser.check_token_next(lcurly, "'{' expected")
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local s = parser.parse_binder()
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parser.check_token_next(bar, "'|' expected")
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local e = parser.parse_scoped_expr(s)
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parser.check_token_next(rcurly, "'}' expected")
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print(e)
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return parser.abstract(s, g(e))
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end
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*)
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notation `set` A:(call parse_set) := A
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check set { x : A | f x x }
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