logic.equiv.array | Mathlib porting status

Changes since the initial port

The following section lists changes to this file in mathlib3 and mathlib4 that occured after the initial port. Most recent changes are shown first. Hovering over a commit will show all commits associated with the same mathlib3 commit.

Changes in mathlib3

1126441d

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

9240e8be

bump to nightly-2023-09-24-06

mathlib commit https://github.com/leanprover-community/mathlib/commit/ce64cd319bb6b3e82f31c2d38e79080d377be451

5655435f

Diff

@@ -3,9 +3,9 @@ Copyright (c) 2018 Mario Carneiro. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Mario Carneiro
 -/
-import Mathbin.Data.Vector.Basic
-import Mathbin.Logic.Equiv.List
-import Mathbin.Control.Traversable.Equiv
+import Data.Vector.Basic
+import Logic.Equiv.List
+import Control.Traversable.Equiv
 
 #align_import logic.equiv.array from "leanprover-community/mathlib"@"9240e8be927a0955b9a82c6c85ef499ee3a626b8"

9240e8be

bump to nightly-2023-09-08-06

mathlib commit https://github.com/leanprover-community/mathlib/commit/442a83d738cb208d3600056c489be16900ba701d

2aec253b

Diff

@@ -54,17 +54,13 @@ instance : LawfulTraversable (Array' n) :=
 
 end Array'
 
-#print Array.encodable /-
 /-- If `α` is encodable, then so is `array n α`. -/
-instance Array.encodable {α} [Encodable α] {n} : Encodable (Array' n α) :=
+instance Array'.encodable {α} [Encodable α] {n} : Encodable (Array' n α) :=
   Encodable.ofEquiv _ (Equiv.arrayEquivFin _ _)
-#align array.encodable Array.encodable
--/
+#align array.encodable Array'.encodable
 
-#print Array.countable /-
 /-- If `α` is countable, then so is `array n α`. -/
-instance Array.countable {α} [Countable α] {n} : Countable (Array' n α) :=
+instance Array'.countable {α} [Countable α] {n} : Countable (Array' n α) :=
   Countable.of_equiv _ (Equiv.vectorEquivArray _ _)
-#align array.countable Array.countable
--/
+#align array.countable Array'.countable

9240e8be

bump to nightly-2023-07-20-09

mathlib commit https://github.com/leanprover-community/mathlib/commit/8ea5598db6caeddde6cb734aa179cc2408dbd345

9c56d0dd

Diff

@@ -2,16 +2,13 @@
 Copyright (c) 2018 Mario Carneiro. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Mario Carneiro
-
-! This file was ported from Lean 3 source module logic.equiv.array
-! leanprover-community/mathlib commit 9240e8be927a0955b9a82c6c85ef499ee3a626b8
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Data.Vector.Basic
 import Mathbin.Logic.Equiv.List
 import Mathbin.Control.Traversable.Equiv
 
+#align_import logic.equiv.array from "leanprover-community/mathlib"@"9240e8be927a0955b9a82c6c85ef499ee3a626b8"
+
 /-!
 # Equivalences involving `array`

9240e8be

bump to nightly-2023-07-06-21

mathlib commit https://github.com/leanprover-community/mathlib/commit/5dc6092d09e5e489106865241986f7f2ad28d4c8

8b3166c8

Diff

@@ -52,7 +52,7 @@ variable {n : ℕ}
 instance : Traversable (Array' n) :=
   @Equiv.traversable (flip Vector n) _ (fun α => Equiv.vectorEquivArray α n) _
 
-instance : IsLawfulTraversable (Array' n) :=
+instance : LawfulTraversable (Array' n) :=
   @Equiv.isLawfulTraversable (flip Vector n) _ (fun α => Equiv.vectorEquivArray α n) _ _
 
 end Array'

9240e8be

bump to nightly-2023-06-30-03

mathlib commit https://github.com/leanprover-community/mathlib/commit/9240e8be927a0955b9a82c6c85ef499ee3a626b8

397a8f48

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Mario Carneiro
 
 ! This file was ported from Lean 3 source module logic.equiv.array
-! leanprover-community/mathlib commit 78314d08d707a6338079f00094bbdb90bf11fc41
+! leanprover-community/mathlib commit 9240e8be927a0955b9a82c6c85ef499ee3a626b8
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -15,6 +15,9 @@ import Mathbin.Control.Traversable.Equiv
 /-!
 # Equivalences involving `array`
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 We keep this separate from the file containing `list`-like equivalences as those have no future
 in mathlib4.
 -/

78314d08

bump to nightly-2023-06-28-01

mathlib commit https://github.com/leanprover-community/mathlib/commit/8b981918a93bc45a8600de608cde7944a80d92b9

c13c40e8

Diff

@@ -54,13 +54,17 @@ instance : IsLawfulTraversable (Array' n) :=
 
 end Array'
 
+#print Array.encodable /-
 /-- If `α` is encodable, then so is `array n α`. -/
-instance Array'.encodable {α} [Encodable α] {n} : Encodable (Array' n α) :=
+instance Array.encodable {α} [Encodable α] {n} : Encodable (Array' n α) :=
   Encodable.ofEquiv _ (Equiv.arrayEquivFin _ _)
-#align array.encodable Array'.encodable
+#align array.encodable Array.encodable
+-/
 
+#print Array.countable /-
 /-- If `α` is countable, then so is `array n α`. -/
-instance Array'.countable {α} [Countable α] {n} : Countable (Array' n α) :=
+instance Array.countable {α} [Countable α] {n} : Countable (Array' n α) :=
   Countable.of_equiv _ (Equiv.vectorEquivArray _ _)
-#align array.countable Array'.countable
+#align array.countable Array.countable
+-/

78314d08

bump to nightly-2023-02-21-16

mathlib commit https://github.com/leanprover-community/mathlib/commit/bd9851ca476957ea4549eb19b40e7b5ade9428cc

1107b979

Changes in mathlib4

mathlib3

mathlib4

1126441d

chore: reduce imports (#9830)

This uses the improved shake script from #9772 to reduce imports across mathlib. The corresponding noshake.json file has been added to #9772.

Co-authored-by: Mario Carneiro <di.gama@gmail.com>

f4c4ca61

Diff

@@ -5,7 +5,6 @@ Authors: Mario Carneiro
 -/
 import Mathlib.Data.Vector.Basic
 import Mathlib.Logic.Equiv.List
-import Mathlib.Control.Traversable.Equiv
 
 #align_import logic.equiv.array from "leanprover-community/mathlib"@"1126441d6bccf98c81214a0780c73d499f6721fe"

1126441d

chore: tidy various files (#6924)

3ebc913e

Diff

@@ -78,9 +78,9 @@ instance for `array` was)
 /-- If `α` is encodable, then so is `Array α`. -/
 instance Array.encodable {α} [Encodable α] : Encodable (Array α) :=
   Encodable.ofEquiv _ (Equiv.arrayEquivList _)
-#align array.encodable Array.encodable
+#noalign array.encodable
 
 /-- If `α` is countable, then so is `Array α`. -/
 instance Array.countable {α} [Countable α] : Countable (Array α) :=
   Countable.of_equiv _ (Equiv.arrayEquivList α).symm
-#align array.countable Array.countable
+#noalign array.countable

1126441d

chore: banish Type _ and Sort _ (#6499)

We remove all possible occurences of Type _ and Sort _ in favor of Type* and Sort*.

This has nice performance benefits.

32de3f67

Diff

@@ -32,22 +32,22 @@ namespace Equiv
 
 -- /-- The natural equivalence between length-`n` heterogeneous arrays
 -- and dependent functions from `fin n`. -/
--- def darrayEquivFin {n : ℕ} (α : Fin n → Type _) : DArray n α ≃ ∀ i, α i :=
+-- def darrayEquivFin {n : ℕ} (α : Fin n → Type*) : DArray n α ≃ ∀ i, α i :=
 --   ⟨DArray.read, DArray.mk, fun ⟨f⟩ => rfl, fun f => rfl⟩
 #noalign equiv.d_array_equiv_fin
 
 -- /-- The natural equivalence between length-`n` arrays and functions from `fin n`. -/
--- def array'EquivFin (n : ℕ) (α : Type _) : Array' n α ≃ (Fin n → α) :=
+-- def array'EquivFin (n : ℕ) (α : Type*) : Array' n α ≃ (Fin n → α) :=
 --   darrayEquivFin _
 #noalign equiv.array_equiv_fin
 
 -- /-- The natural equivalence between length-`n` vectors and length-`n` arrays. -/
--- def vectorEquivArray' (α : Type _) (n : ℕ) : Vector α n ≃ Array' n α :=
+-- def vectorEquivArray' (α : Type*) (n : ℕ) : Vector α n ≃ Array' n α :=
 --   (vectorEquivFin _ _).trans (array'EquivFin _ _).symm
 #noalign equiv.vector_equiv_array
 
 /-- The natural equivalence between arrays and lists. -/
-def arrayEquivList (α : Type _) : Array α ≃ List α :=
+def arrayEquivList (α : Type*) : Array α ≃ List α :=
   ⟨Array.data, Array.mk, fun _ => rfl, fun _ => rfl⟩
 
 end Equiv

1126441d

chore: script to replace headers with #align_import statements (#5979)

depends on: #5966

Co-authored-by: Eric Wieser <wieser.eric@gmail.com> Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

89aa3a3b

Diff

@@ -2,16 +2,13 @@
 Copyright (c) 2018 Mario Carneiro. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Mario Carneiro
-
-! This file was ported from Lean 3 source module logic.equiv.array
-! leanprover-community/mathlib commit 1126441d6bccf98c81214a0780c73d499f6721fe
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Data.Vector.Basic
 import Mathlib.Logic.Equiv.List
 import Mathlib.Control.Traversable.Equiv
 
+#align_import logic.equiv.array from "leanprover-community/mathlib"@"1126441d6bccf98c81214a0780c73d499f6721fe"
+
 /-!
 # Equivalences involving `Array`
 -/

1126441d

style: IsLawfulTraversable -> LawfulTraversable (#5737)

0c08a8fa

Diff

@@ -56,7 +56,7 @@ def arrayEquivList (α : Type _) : Array α ≃ List α :=
 end Equiv
 
 /- Porting note: removed instances for what would be ported as `Traversable (Array α)` and
-`IsLawfulTraversable (Array α)`. These would
+`LawfulTraversable (Array α)`. These would
 
 1. be implemented directly in terms of `Array` functionality for efficiency, rather than being the
 traversal of some other type transported along an equivalence to `Array α` (as the traversable
@@ -73,7 +73,7 @@ instance for `array` was)
 -- instance : Traversable (Array' n) :=
 --   @Equiv.traversable (flip Vector n) _ (fun α => Equiv.vectorEquivArray α n) _
 
--- instance : IsLawfulTraversable (Array' n) :=
+-- instance : LawfulTraversable (Array' n) :=
 --   @Equiv.isLawfulTraversable (flip Vector n) _ (fun α => Equiv.vectorEquivArray α n) _ _
 
 -- end Array'

1126441d

feat: port Logic.Equiv.Array (#1733)

Co-authored-by: Parcly Taxel <reddeloostw@gmail.com> Co-authored-by: thorimur <68410468+thorimur@users.noreply.github.com>

c6608248

`logic.equiv.array` ⟷ `Mathlib.Logic.Equiv.Array`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 6 + 212

logic.equiv.array ⟷ Mathlib.Logic.Equiv.Array

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 6 + 212

`logic.equiv.array` ⟷ `Mathlib.Logic.Equiv.Array`