feat: day05

Author: subesokun

day05/wasm-rust/subesokun/.gitignore

@@ -0,0 +1,6 @@
+/target
+**/*.rs.bk
+Cargo.lock
+bin/
+pkg/
+wasm-pack.log

day05/wasm-rust/subesokun/Cargo.toml

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+[package]
+name = "wasm-aoc"
+version = "0.1.0"
+authors = ["subesokun"]
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[features]
+default = ["console_error_panic_hook"]
+
+[dependencies]
+wasm-bindgen = "0.2.63"
+
+# The `console_error_panic_hook` crate provides better debugging of panics by
+# logging them with `console.error`. This is great for development, but requires
+# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
+# code size when deploying.
+console_error_panic_hook = { version = "0.1.6", optional = true }
+
+# `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
+# compared to the default allocator's ~10K. It is slower than the default
+# allocator, however.
+#
+# Unfortunately, `wee_alloc` requires nightly Rust when targeting wasm for now.
+wee_alloc = { version = "0.4.5", optional = true }
+
+[dependencies.web-sys]
+version = "0.3"
+features = ["console"]
+
+[dependencies.js-sys]
+version = "0.3.45"
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.13"
+
+[profile.release]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"

day05/wasm-rust/subesokun/README.adoc

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+== Rust + WASM
+
+Runs Rust directly in your browser ✨
+
+Try it live in your browser, https://subesokun.github.io/aoc-2020/day05/wasm-rust/subesokun/[day05]
+
+=== First Star
+
+[source,rust, linenums]
+----
+include::src/solution.rs[tags=star1]
+----
+
+=== Second Star
+
+[source,rust, linenums]
+----
+include::src/solution.rs[tags=star2]
+----
+
+=== Run locally
+
+> Hint: When running in Codespaces make sure that your terminal is running in a Bash session (just enter "bash" to start it)
+
+```
+# in a new terminal
+./build-wasm.sh     # auto rebuilds on changes
+
+# in a new terminal
+cd www
+npm ci
+npm start           # auto rebuilds on changes
+
+# In your browser open the localhost:8080 or in Codespaces the provided url
+# -> Have a look in your console for the output
+# Hint: Auto-reload of web page works only on localhost as Codespaces blocks the WebSocket connection for some reason
+```

day05/wasm-rust/subesokun/build-wasm.sh

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+#!/bin/bash
+
+wasm-pack build
+cargo watch -s 'wasm-pack build'