@yuuang/ffi-rs-linux-arm64-musl - npm Package Compare versions

Comparing version 1.0.44 to 1.0.45

package.json

 {
   "name": "@yuuang/ffi-rs-linux-arm64-musl",
-  "version": "1.0.44",
+  "version": "1.0.45",
   "os": [
@@ -5,0 +5,0 @@ "linux"

README.md

@@ -86,2 +86,4 @@ # ffi-rs
 
+View [test.ts](./test.ts) get the latest usage
+
 Here is an example of how to use ffi-rs:
@@ -324,2 +326,43 @@
 
+#### CreatePointer
+
+```js
+let bigDoubleArr = new Array(5).fill(1.1);
+deepStrictEqual(
+  bigDoubleArr,
+  load({
+    library: "libsum",
+    funcName: "createArrayDouble",
+    retType: arrayConstructor({
+      type: DataType.DoubleArray,
+      length: bigDoubleArr.length,
+    }),
+    paramsType: [DataType.DoubleArray, DataType.I32],
+    paramsValue: [bigDoubleArr, bigDoubleArr.length],
+  }),
+);
+```
+
+For the code above, we can use `createExternal` function to wrap a pointer data and send it as paramsValue
+
+```js
+const funcExternal: unknown[] = createExternal({
+  paramsType: [DataType.DoubleArray],
+  paramsValue: [[1.1,2.2]]
+})
+const ptr = funcExternal[0]
+load({
+  library: "libsum",
+  funcName: "createArrayDouble",
+  retType: arrayConstructor({
+    type: DataType.DoubleArray,
+    length: bigDoubleArr.length,
+  }),
+  paramsType: [DataType.External, DataType.I32],
+  paramsValue: [ptr, bigDoubleArr.length],
+})
+```
+
+The two pieces of code above are equivalent
+
 ### Struct
@@ -326,0 +369,0 @@

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609758

increased by0.17%

Number of lines in readme file

660

increased by6.97%

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