added day 19

Author: jsoverson

Cargo.lock

@@ -1,2 +1,4 @@
 [workspace]
 members = ["crates/*/*"]
+
+exclude = ["crates/day-19/project"]

Cargo.toml

@@ -135,3 +135,10 @@ These examples require setting an environment variable. How to do that in your e
 - `cargo run -p day-18-async --bin lazy`
 - `cargo run -p day-18-async --bin fs`
 - `cargo run -p day-18-async --bin async-blocks`
+
+### Day 19
+
+First you must cd into `crates/day-19`
+
+- `cargo test`
+- `cargo run -p cli`

README.md

@@ -0,0 +1,2 @@
+[workspace]
+members = ["crates/*"]

crates/day-19/project/Cargo.lock

@@ -0,0 +1,9 @@
+[package]
+name = "cli"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+my-lib = { path = "../my-lib" }

crates/day-19/project/Cargo.toml

@@ -0,0 +1,12 @@
+use my_lib::Module;
+
+fn main() {
+    match Module::from_file("./module.wasm") {
+        Ok(_) => {
+            println!("Module loaded");
+        }
+        Err(e) => {
+            println!("Module failed to load: {}", e);
+        }
+    }
+}

crates/day-19/project/crates/cli/Cargo.toml

@@ -0,0 +1,2 @@
+/target
+Cargo.lock

crates/day-19/project/crates/cli/src/main.rs

@@ -0,0 +1,8 @@
+[package]
+name = "my-lib"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

crates/day-19/project/crates/my-lib/.gitignore

@@ -0,0 +1,18 @@
+use std::path::Path;
+pub struct Module {}
+
+impl Module {
+    pub fn from_file<T: AsRef<Path>>(path: T) -> Result<Self, std::io::Error> {
+        Ok(Self {})
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn loads_wasm_file() {
+        let result = Module::from_file("./tests/test.wasm");
+        assert!(result.is_ok());
+    }
+}