Add flake app and packages for adf-bdd

Bumps [semver](https://github.com/npm/node-semver) from 6.3.0 to 6.3.1.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/v6.3.1/CHANGELOG.md)
- [Commits](https://github.com/npm/node-semver/compare/v6.3.0...v6.3.1)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

flake.lock

@@ -23,11 +23,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1685518550,
-        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
         "type": "github"
       },
       "original": {
@@ -38,11 +38,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1686059680,
-        "narHash": "sha256-sp0WlCIeVczzB0G8f8iyRg3IYW7KG31mI66z7HIZwrI=",
+        "lastModified": 1690927903,
+        "narHash": "sha256-D5gCaCROnjEKDOel//8TO/pOP87pAEtT0uT8X+0Bj/U=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a558f7ac29f50c4b937fb5c102f587678ae1c9fb",
+        "rev": "bd836ac5e5a7358dea73cb74a013ca32864ccb86",
         "type": "github"
       },
       "original": {
@@ -52,6 +52,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1690881714,
+        "narHash": "sha256-h/nXluEqdiQHs1oSgkOOWF+j8gcJMWhwnZ9PFabN6q0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9e1960bc196baf6881340d53dccb203a951745a2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -70,11 +86,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1686191569,
-        "narHash": "sha256-8ey5FOXNms9piFGTn6vJeAQmSKk+NL7GTMSoVttsNTs=",
+        "lastModified": 1691029059,
+        "narHash": "sha256-QwVeE9YTgH3LmL7yw2V/hgswL6yorIvYSp4YGI8lZYM=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "b4b71458b92294e8f1c3a112d972e3cff8a2ab71",
+        "rev": "99df4908445be37ddb2d332580365fce512a7dcf",
         "type": "github"
       },
       "original": {

frontend/package.json

@@ -9,32 +9,32 @@
         "build": "parcel build"
     },
     "devDependencies": {
-        "@parcel/transformer-inline-string": "2.8.3",
-        "@types/node": "^18.15.11",
-        "@types/react": "^18.0.26",
-        "@types/react-dom": "^18.0.10",
-        "@typescript-eslint/eslint-plugin": "^5.48.1",
-        "@typescript-eslint/parser": "^5.48.1",
-        "eslint": "^8.31.0",
+        "@parcel/transformer-inline-string": "2.9.3",
+        "@types/node": "^20.4.6",
+        "@types/react": "^18.2.18",
+        "@types/react-dom": "^18.2.7",
+        "@typescript-eslint/eslint-plugin": "^6.2.1",
+        "@typescript-eslint/parser": "^6.2.1",
+        "eslint": "^8.46.0",
         "eslint-config-airbnb": "^19.0.4",
-        "eslint-config-airbnb-typescript": "^17.0.0",
-        "eslint-plugin-import": "^2.27.4",
+        "eslint-config-airbnb-typescript": "^17.1.0",
+        "eslint-plugin-import": "^2.28.0",
         "eslint-plugin-jsx-a11y": "^6.7.1",
-        "eslint-plugin-react": "^7.32.0",
-        "parcel": "^2.8.2",
+        "eslint-plugin-react": "^7.33.1",
+        "parcel": "^2.9.3",
         "process": "^0.11.10",
-        "typescript": "^4.9.4"
+        "typescript": "^5.1.6"
     },
     "dependencies": {
-        "@antv/g6": "^4.8.3",
-        "@emotion/react": "^11.10.5",
-        "@emotion/styled": "^11.10.5",
-        "@fontsource/roboto": "^4.5.8",
-        "@mui/icons-material": "^5.11.16",
-        "@mui/material": "^5.11.4",
-        "markdown-to-jsx": "^7.2.0",
+        "@antv/g6": "^4.8.20",
+        "@emotion/react": "^11.11.1",
+        "@emotion/styled": "^11.11.0",
+        "@fontsource/roboto": "^5.0.6",
+        "@mui/icons-material": "^5.14.3",
+        "@mui/material": "^5.14.3",
+        "markdown-to-jsx": "^7.2.1",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
-        "react-router-dom": "^6.10.0"
+        "react-router-dom": "^6.14.2"
     }
 }

frontend/src/help-texts/add-info.md

@@ -3,7 +3,7 @@ The Web UI mimics many options of the CLI version of the [underlying adf-bdd too
 
 In the below form, you can either type/paste your `code` or upload a file in the same format.
 To put it briefly, an ADF consists of statements and accectance conditions for these statements.
-For instance, the following code indicates that `a,b,c,d` are statements, that `a` is assumed to be true (verum), `b` is true if is true (which is tautological), `c` is true if `a` and `b` are true, and `d` is true if `b` is false.
+For instance, the following code indicates that `a,b,c,d` are statements, that `a` is assumed to be true (verum), `b` is true if `b` is true (which is self-supporting), `c` is true if `a` and `b` are true, and `d` is true if `b` is false.
 
 ```
 s(a).

lib/src/nogoods.rs

@@ -1,7 +1,6 @@
 //! Collection of all nogood-related structures.
 
 use std::{
-    borrow::Borrow,
     fmt::{Debug, Display},
     ops::{BitAnd, BitOr, BitXor, BitXorAssign},
 };
@@ -23,11 +22,8 @@ pub struct NoGood {
 impl Eq for NoGood {}
 impl PartialEq for NoGood {
     fn eq(&self, other: &Self) -> bool {
-        self.active
-            .borrow()
-            .bitxor(other.active.borrow())
-            .is_empty()
-            && self.value.borrow().bitxor(other.value.borrow()).is_empty()
+        (&self.active).bitxor(&other.active).is_empty()
+            && (&self.value).bitxor(&other.value).is_empty()
     }
 }
 
@@ -113,15 +109,11 @@ impl NoGood {
     /// Given a [NoGood] and another one, conclude a non-conflicting value which can be concluded on basis of the given one.
     pub fn conclude(&self, other: &NoGood) -> Option<(usize, bool)> {
         log::debug!("conclude: {:?} other {:?}", self, other);
-        let implication = self
-            .active
-            .borrow()
-            .bitxor(other.active.borrow())
-            .bitand(self.active.borrow());
+        let implication = (&self.active).bitxor(&other.active).bitand(&self.active);
 
-        let bothactive = self.active.borrow().bitand(other.active.borrow());
-        let mut no_matches = bothactive.borrow().bitand(other.value.borrow());
-        no_matches.bitxor_assign(bothactive.bitand(self.value.borrow()));
+        let bothactive = (&self.active).bitand(&other.active);
+        let mut no_matches = (&bothactive).bitand(&other.value);
+        no_matches.bitxor_assign(bothactive.bitand(&self.value));
 
         if implication.len() == 1 && no_matches.is_empty() {
             let pos = implication
@@ -140,16 +132,16 @@ impl NoGood {
 
     /// Updates the [NoGood] and a second one in a disjunctive (bitor) manner.
     pub fn disjunction(&mut self, other: &NoGood) {
-        self.active = self.active.borrow().bitor(&other.active);
-        self.value = self.value.borrow().bitor(&other.value);
+        self.active = (&self.active).bitor(&other.active);
+        self.value = (&self.value).bitor(&other.value);
     }
 
     /// Returns [true] if the other [Interpretation] matches with all the assignments of the current [NoGood].
     pub fn is_violating(&self, other: &Interpretation) -> bool {
-        let active = self.active.borrow().bitand(other.active.borrow());
+        let active = (&self.active).bitand(&other.active);
         if self.active.len() == active.len() {
-            let lhs = active.borrow().bitand(self.value.borrow());
-            let rhs = active.borrow().bitand(other.value.borrow());
+            let lhs = (&active).bitand(&self.value);
+            let rhs = (&active).bitand(&other.value);
             if lhs.bitxor(rhs).is_empty() {
                 return true;
             }