refactor: Use workspaces (properly)

Fixes issues with the IDE as well, where I didn't have intellisense (but
did have clippy checks) for directories like `./tests`, and had to use
the `linkedProjects` setting, which is unnecessary.

.gitignore

@@ -1,2 +1,3 @@
 /target
 tarpaulin-report.html
+fuzz-inputs.txt

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "b4s"
 version = "0.3.0"
-edition = "2021"
+edition.workspace = true
 rust-version = "1.64.0"
 authors = ["Alex Povel <rust@alexpovel.de>"]
 description = "Binary Search Single Sorted String: Perform binary search on a single, delimited string slice of sorted but unevenly sized substrings."
@@ -12,6 +12,9 @@ documentation = "https://docs.rs/b4s"
 keywords = ["search", "string", "str", "uneven"]
 categories = ["algorithms"]
 
+[workspace.package]
+edition = "2021"
+
 [dependencies]
 ascii = "1.1.0"
 itertools = "0.10.5"
@@ -20,3 +23,7 @@ itertools = "0.10.5"
 criterion = { version = "0.5.1", features = ["html_reports"] }
 phf = { version = "0.11.1", features = ["macros"] }
 rstest = "0.17.0"
+
+[workspace]
+
+members = ["fuzz"]

Justfile

@@ -14,12 +14,12 @@ onboard:
 # Runs fuzz testing.
 [unix]
 fuzz: install-afl
-    cd {{ justfile_directory() / 'fuzz' }} && cargo afl build
+    cd {{ justfile_directory() }} && cargo afl build --package afl-target
 
     # Kill any running fuzzers, they like to get stuck.
-    kill -9 $(lsof -t {{ justfile_directory() / 'fuzz' / 'out' }}/*) || true
+    cd {{ justfile_directory() }} && kill -9 $(lsof -t 'fuzz/out'/*) || true
 
-    cd {{ justfile_directory() / 'fuzz' }} && cargo afl fuzz -i in -o out target/debug/afl-target
+    cd {{ justfile_directory() }} && cargo afl fuzz -i fuzz/in -o fuzz/out target/debug/afl-target
 
 # Provisions AFL (https://rust-fuzz.github.io/book/afl/setup.html#tools).
 [unix]

fuzz/.gitignore

@@ -1,3 +1,2 @@
 target
 out
-fuzz-inputs.txt