acb188f11c
This attribute, which was implemented in #3640, is applied to the following structures: `Sigma`, `PSigma`, `PProd`, `And`, `Subtype`, and `Fin`. These were given this attribute in Lean 3.
29 lines
543 B
Text
29 lines
543 B
Text
/-!
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# Tests for the `pp_using_anonymous_constructor` attribute
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-/
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/-!
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Custom structure
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-/
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structure S where
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(x y : Nat)
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/-- info: { x := 1, y := 2 } : S -/
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#guard_msgs in #check {x := 1, y := 2 : S}
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attribute [pp_using_anonymous_constructor] S
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/-- info: ⟨1, 2⟩ : S -/
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#guard_msgs in #check {x := 1, y := 2 : S}
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/-!
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`Fin`
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-/
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/-- info: ⟨2, ⋯⟩ : Fin 3 -/
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#guard_msgs in #check Fin.mk 2 (by omega : 2 < 3)
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/-!
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`Subtype`
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-/
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/-- info: ⟨2, ⋯⟩ : { n // n < 3 } -/
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#guard_msgs in #check (⟨2, by omega⟩ : {n : Nat // n < 3})
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