Update README

README.md

@@ -17,6 +17,9 @@ For example, snappy is the default compression format for [Apache Parquet](https
 
 ## Usage
 
+The `snappyUncompress` function expects as arguments: a typed array `compressed`, and an `outputLength` parameter.
+The length is needed to know how much wasm memory to allocate.
+For formats like parquet, this length will generally be known in advance.
 To decompress a `Uint8Array` with known output length:
 
 ```js
@@ -58,11 +61,12 @@ Run `make` to build from source. The build process consists of:
 
 ## WASM Loading
 
-By keeping `hysnappy.wasm` under 4kb, we can include it directly in the `hysnappy.js` file and load the WASM blob synchronously, which is faster than loading a separate `.wasm` file.
+By keeping `hysnappy.wasm` under 4kb, we can include it directly in the `hysnappy.js` file and load the WASM blob synchronously, which is faster than loading a separate `.wasm` file. [[web.dev]](https://web.dev/articles/loading-wasm)
 
 ## References
 
  - https://en.wikipedia.org/wiki/Snappy_(compression)
  - https://github.com/andikleen/snappy-c
  - https://github.com/google/snappy
  - https://github.com/zhipeng-jia/snappyjs
+ - https://web.dev/articles/loading-wasm

main.c

@@ -2,7 +2,7 @@
 
 int uncompress(const char *compressed, size_t compressed_length, char *uncompressed);
 
-// Should print "hyperparam"
+// Should print "hyperparam", this is just for testing, not a real cli tool
 int main() {
 	char compressed[] = {
 		0x0a, 0x24, 0x68, 0x79, 0x70, 0x65, 0x72, 0x70, 0x61, 0x72, 0x61, 0x6d