Fix stream write terminates

Author: Nirlah

README.md

@@ -23,7 +23,7 @@ Write _AWS Lambda_ functions in the Zig programming language to achieve blazing
 
 ### Benchmark
 Using zig allows creating small and fast functions.<br />
-Minimal [Hello World demo](#hello-world) on _`arm64` (256 MiB, Amazon Linux 2023)_:
+Minimal [Hello World demo](#hello-world) (_arm64_ 256 MiB, Amazon Linux 2023):
 
 - ❄️ `~13ms` cold start invocation duration
 - ⚡ `~1.5ms` warm invocation duration
@@ -38,7 +38,7 @@ Minimal [Hello World demo](#hello-world) on _`arm64` (256 MiB, Amazon Linux 2023
 ## Quick Start
 1. Add a dependency to your project:
     ```console
-    zig fetch --save git+https://github.com/by-nir/aws-lambda-zig#0.2.0
+    zig fetch --save git+https://github.com/by-nir/aws-lambda-zig#0.2.1
     ```
 2. Configure the [executable build](#build-script):
     - Named the executable _bootstrap_.

src/runtime/handle.zig

@@ -105,7 +105,7 @@ pub const Stream = struct {
     ///
     /// If an error occurs, the stream is closed and the handler should return as soon as possible.
     pub fn write(self: Stream, payload: []const u8) Error!void {
-        if (self.isActive()) return error.ClosedStream;
+        if (!self.isActive()) return error.ClosedStream;
         self.stream.write(payload) catch return self.runtimeFailiure();
     }