data.fintype.vector | 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

327c3c0d

bump to nightly-2023-09-24-06

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

5655435f

Diff

@@ -3,8 +3,8 @@ Copyright (c) 2017 Mario Carneiro. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Mario Carneiro
 -/
-import Mathbin.Data.Fintype.Pi
-import Mathbin.Data.Sym.Basic
+import Data.Fintype.Pi
+import Data.Sym.Basic
 
 #align_import data.fintype.vector from "leanprover-community/mathlib"@"327c3c0d9232d80e250dc8f65e7835b82b266ea5"

327c3c0d

bump to nightly-2023-07-20-09

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

9c56d0dd

Diff

@@ -2,15 +2,12 @@
 Copyright (c) 2017 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 data.fintype.vector
-! leanprover-community/mathlib commit 327c3c0d9232d80e250dc8f65e7835b82b266ea5
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Data.Fintype.Pi
 import Mathbin.Data.Sym.Basic
 
+#align_import data.fintype.vector from "leanprover-community/mathlib"@"327c3c0d9232d80e250dc8f65e7835b82b266ea5"
+
 /-!
 # `vector α n` and `sym α n` are fintypes when `α` is.

327c3c0d

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: 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

@@ -12,7 +12,7 @@ import Mathlib.Data.Sym.Basic
 # `Vector α n` and `Sym α n` are fintypes when `α` is.
 -/
 
-variable {α : Type _}
+variable {α : Type*}
 
 instance Vector.fintype [Fintype α] {n : ℕ} : Fintype (Vector α n) :=
   Fintype.ofEquiv _ (Equiv.vectorEquivFin _ _).symm

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

@@ -2,15 +2,12 @@
 Copyright (c) 2017 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 data.fintype.vector
-! 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.Fintype.Pi
 import Mathlib.Data.Sym.Basic
 
+#align_import data.fintype.vector from "leanprover-community/mathlib"@"1126441d6bccf98c81214a0780c73d499f6721fe"
+
 /-!
 # `Vector α n` and `Sym α n` are fintypes when `α` is.
 -/

1126441d

fix: make List.rec and Nat.rec computable (#1720)

This works around https://github.com/leanprover/lean4/issues/2049. By manually adding compiler support for these recursors, we make a large number of porting notes redundant.

19e2b8d2

Diff

@@ -17,18 +17,15 @@ import Mathlib.Data.Sym.Basic
 
 variable {α : Type _}
 
-noncomputable -- Porting note: added noncomputable
 instance Vector.fintype [Fintype α] {n : ℕ} : Fintype (Vector α n) :=
   Fintype.ofEquiv _ (Equiv.vectorEquivFin _ _).symm
 #align vector.fintype Vector.fintype
 
-noncomputable -- Porting note: added noncomputable
 instance [DecidableEq α] [Fintype α] {n : ℕ} : Fintype (Sym.Sym' α n) := by
   refine @Quotient.fintype _ _ _ ?_
   -- Porting note: had to build the instance manually
   intros x y
   apply List.decidablePerm
 
-noncomputable -- Porting note: added noncomputable
 instance [DecidableEq α] [Fintype α] {n : ℕ} : Fintype (Sym α n) :=
   Fintype.ofEquiv _ Sym.symEquivSym'.symm

1126441d

feat: port Data.Fintype.Vector (#1716)

82cf1905

`data.fintype.vector` ⟷ `Mathlib.Data.Fintype.Vector`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 6 + 176

data.fintype.vector ⟷ Mathlib.Data.Fintype.Vector

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 6 + 176

`data.fintype.vector` ⟷ `Mathlib.Data.Fintype.Vector`