31 lines
530 B
Text
31 lines
530 B
Text
namespace Foo
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scoped macro "foo!" x:term:max : term => `($x + 1)
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#check foo! 10
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theorem ex1 : foo! 10 = 11 := rfl
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end Foo
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#check foo! 10 -- Error
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open Foo
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#check foo! 10 -- works
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theorem ex2 : foo! 10 = 11 := rfl
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scoped macro "bla!" x:term:max : term => `($x * 2) -- Error scoped macros must be used inside namespaces
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section
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local macro "bla!" x:term:max : term => `($x * 2)
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theorem ex3 : bla! 10 = 20 := rfl
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end
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#check bla! 10 -- Error unknown identifier `bla!`
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def bla! := 20 -- bla! is still a valid identifier
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