diff --git a/.gitignore b/.gitignore
index d5aabfe..b68834a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /target
 tarpaulin-report.html
+fuzz-inputs.txt
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 443b442..0000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "rust-analyzer.linkedProjects": [
-        "./fuzz/Cargo.toml"
-    ]
-}
diff --git a/Cargo.lock b/Cargo.lock
index 77457ef..a411e34 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,18 +2,94 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "afl"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5112036b91d8f1aa923600991f6efb83df540c4fc3903e51b457b82f35e7dd5"
+dependencies = [
+ "clap",
+ "fs_extra",
+ "home",
+ "libc",
+ "rustc_version",
+ "tempfile",
+ "xdg",
+]
+
+[[package]]
+name = "afl-target"
+version = "0.1.0"
+dependencies = [
+ "afl",
+ "arbitrary",
+ "b4s",
+]
+
 [[package]]
 name = "anes"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
 
+[[package]]
+name = "anstream"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is-terminal",
+ "utf8parse",
+]
+
 [[package]]
 name = "anstyle"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
 
+[[package]]
+name = "anstyle-parse"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
+[[package]]
+name = "arbitrary"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+dependencies = [
+ "derive_arbitrary",
+]
+
 [[package]]
 name = "ascii"
 version = "1.1.0"
@@ -109,9 +185,12 @@ version = "4.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acd4f3c17c83b0ba34ffbc4f8bbd74f079413f747f84a6f89292f138057e36ab"
 dependencies = [
+ "anstream",
  "anstyle",
  "bitflags",
  "clap_lex",
+ "once_cell",
+ "strsim",
 ]
 
 [[package]]
@@ -120,6 +199,12 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2da6da31387c7e4ef160ffab6d5e7f00c42626fe39aea70a7b0f1773f7dd6c1b"
 
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "criterion"
 version = "0.5.1"
@@ -199,6 +284,17 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "derive_arbitrary"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
 [[package]]
 name = "either"
 version = "1.8.1"
@@ -226,6 +322,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
+[[package]]
+name = "fs_extra"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
+
 [[package]]
 name = "futures"
 version = "0.3.28"
@@ -342,6 +453,24 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
 
+[[package]]
+name = "home"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "io-lifetimes"
 version = "1.0.11"
@@ -590,6 +719,15 @@ dependencies = [
  "num_cpus",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "regex"
 version = "1.8.4"
@@ -727,6 +865,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -749,6 +893,20 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31c0432476357e58790aaa47a8efb0c5138f137343f3b5f23bd36a27e3b0a6d6"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "fastrand",
+ "redox_syscall",
+ "rustix",
+ "windows-sys",
+]
+
 [[package]]
 name = "tinytemplate"
 version = "1.2.1"
@@ -765,6 +923,12 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "walkdir"
 version = "2.3.3"
@@ -935,3 +1099,12 @@ name = "windows_x86_64_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
+
+[[package]]
+name = "xdg"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "688597db5a750e9cad4511cb94729a078e274308099a0382b5b8203bbc767fee"
+dependencies = [
+ "home",
+]
diff --git a/Cargo.toml b/Cargo.toml
index e569fd3..2b39b30 100644
--- a/Cargo.toml
+++ b/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"]
diff --git a/Justfile b/Justfile
index e6dcb82..06ca9a8 100644
--- a/Justfile
+++ b/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]
diff --git a/fuzz/.gitignore b/fuzz/.gitignore
index 8febdd9..0f9d898 100644
--- a/fuzz/.gitignore
+++ b/fuzz/.gitignore
@@ -1,3 +1,2 @@
 target
 out
-fuzz-inputs.txt
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
deleted file mode 100644
index 6bff872..0000000
--- a/fuzz/Cargo.lock
+++ /dev/null
@@ -1,459 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "afl"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5112036b91d8f1aa923600991f6efb83df540c4fc3903e51b457b82f35e7dd5"
-dependencies = [
- "clap",
- "fs_extra",
- "home",
- "libc",
- "rustc_version",
- "tempfile",
- "xdg",
-]
-
-[[package]]
-name = "afl-target"
-version = "0.1.0"
-dependencies = [
- "afl",
- "arbitrary",
- "b4s",
-]
-
-[[package]]
-name = "anstream"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
-dependencies = [
- "anstyle",
- "anstyle-parse",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "is-terminal",
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
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-]
-
-[[package]]
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-checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
-dependencies = [
- "windows-sys",
-]
-
-[[package]]
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-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
-dependencies = [
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-]
-
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-]
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-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
-[[package]]
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-version = "0.3.0"
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- "ascii",
- "itertools",
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-
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-
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diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 5212bad..dd54df8 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -1,7 +1,8 @@
 [package]
 name = "afl-target"
 version = "0.1.0"
-edition = "2021"
+edition.workspace = true
+publish = false
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/fuzz/src/main.rs b/fuzz/src/main.rs
index 482add3..dbbaec3 100644
--- a/fuzz/src/main.rs
+++ b/fuzz/src/main.rs
@@ -1,7 +1,7 @@
 use afl::fuzz;
 use arbitrary::{Arbitrary, Unstructured};
 use b4s::AsciiChar;
-use std::{fmt::Display, fs::OpenOptions};
+use std::{fmt::Display, fs::OpenOptions, io::Write};
 
 /// Input signature for fuzzing.
 ///
@@ -49,13 +49,20 @@ fn unstructured_to_ascii_char(u: &mut Unstructured) -> arbitrary::Result<AsciiCh
 }
 
 fn main() {
-    let filename = "fuzz-inputs.txt";
+    let mut data_file = None;
 
-    let mut _data_file = OpenOptions::new()
-        .create(true)
-        .append(true)
-        .open(filename)
-        .expect("Cannot input data file.");
+    // Toggle to write out input data to file
+    if false {
+        let filename = "fuzz-inputs.txt";
+
+        data_file = Some(
+            OpenOptions::new()
+                .create(true)
+                .append(true)
+                .open(filename)
+                .expect("Cannot input data file."),
+        );
+    }
 
     fuzz!(|data: Input| {
         // Chances of us passing `new_checked` are exceedingly slim, so go unchecked.
@@ -65,10 +72,10 @@ fn main() {
         let _ = ss.binary_search(&data.needle);
 
         // It's not easy to get insight into the input data unless a panic occurred, so
-        // write it out. This costs c. 20% in throughput performance. Comment out once
-        // you're convinced results are good.
-        // _data_file
-        //     .write_all(format!("{data}\n").as_bytes())
-        //     .expect("Cannot write to data file.");
+        // write it out. This costs some performance.
+        if let Some(file) = data_file.as_mut() {
+            file.write_all(format!("{data}\n").as_bytes())
+                .expect("Cannot write to data file.");
+        }
     });
 }