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Kuniwak Kuniwak

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I may be slow to respond.
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View Well_Not_Dense_Order.thy
theory "Well_Not_Dense_Order" imports Main begin
context wellorder
begin
definition bot :: 'a
where "bot ≡ LEAST x. True"
sublocale order_bot bot less_eq less
proof standard
fix a
@Kuniwak
Kuniwak / Well_Dense_Order.thy
Created July 15, 2022 00:39
整列順序で稠密順序な例。
View Well_Dense_Order.thy
theory "Well_Dense_Order" imports Main begin
datatype a = A
text "a は整列順序である。"
instantiation a :: wellorder
begin
definition less_eq_a :: "a ⇒ a ⇒ bool"
where "less_eq_a a b ≡ True"
View FiniteSet_fold.thy
theorem
fixes f :: "'x ⇒ 'y ⇒ 'y"
assumes finite: "finite X"
and eq: "⋀x. x ∈ X ⟹ f x = g x"
shows "Finite_Set.fold f z X = Finite_Set.fold g z X"
using finite using eq by (rule_tac fold_closed_eq[where ?B=UNIV]; simp)
View build-logs.md

Before

$ sw_vers
ProductName:	Mac OS X
ProductVersion:	10.14.5
BuildVersion:	18F132

$ xcodebuild -version
Xcode 10.2.1
View longer-timeout.patch
--- appium-base-driver/lib/express/server.js 2019-07-17 12:37:19.000000000 +0900
+++ appium-base-driver/lib/express/server.js 2019-07-17 12:37:49.000000000 +0900
@@ -49,7 +49,7 @@ async function server (configureRoutes,
reject(err);
});
httpServer.on('connection', (socket) => {
- socket.setTimeout(600 * 1000); // 10 minute timeout
+ socket.setTimeout(600 * 10000); // 10 minute timeout
socket.on('error', reject);
});
@Kuniwak
Kuniwak / 1-playground.tla
Last active May 27, 2019 08:46
解決しました(コメント参照) ~~なぜ、Temporal properties were violated になるのかわかりません。。。~~
View 1-playground.tla
----------------------------- MODULE playground -----------------------------
VARIABLES varTable
\* Initial Predicate:
Init == varTable = { <<0, "a">>, <<1, "b">> }
\* Next-state relation:
Next == varTable' = { <<2, "c">> }
View stupid_verification_approach.md

やりたいこと

GUI アプリケーションのドメインを、小さなステートマシンの協調として表現しようとすると、頻繁にバグる上に単体テストの入力空間が手書きするにはでかくて、適切なサンプルを選ぶのも作るのもだるい。そこで、コードのアノテーションから状態機械のモデルを作って性質を証明するようにできたら、結構楽になる。

疑問

このように、別言語のアノテーションで状態機械のモデルをつくるアプローチをほとんど知らないのだが、既存でそういうのあるだろうか。

超雑な例

@Kuniwak
Kuniwak / Config.xcconfig
Created February 28, 2019 08:25
Useful xcconfig for SwiftSyntax
View Config.xcconfig
CUSTOM_SWIFT_SOURCE = $(SRCROOT)/path/to/swift-source
HEADER_SEARCH_PATHS = $(CUSTOM_SWIFT_SOURCE)/swift/include/swift-c/SyntaxParser
LIBRARY_SEARCH_PATHS = $(CUSTOM_SWIFT_SOURCE)/build/Ninja-RelWithDebInfoAssert/swift-macosx-x86_64/lib
LD_RUNPATH_SEARCH_PATHS = $(LIBRARY_SEARCH_PATHS)
View typescript-inferring.ts
class A { a: "a" = "a"; }
class B { b: "b" = "b"; }
interface X {
a: Y<A>;
b: Y<B>;
}
interface Y<T> { t: T; }
type Z<T> = { [key in "a"]: Y<T> };
View Result.swift
public enum Result<T, E> {
case success(T)
case failure(because: E)
public var isSuccess: Bool {
switch self {
case .success:
return true
case .failure: