init

.gitignore

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+build/
+out/

README.md

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+## An echo server write in C3 lang

project.json

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+{
+  // Language version of C3.
+  "langrev": "1",
+  // Warnings used for all targets.
+  "warnings": [ "no-unused" ],
+  // Directories where C3 library files may be found.
+  "dependency-search-paths": [ "lib" ],
+  // Libraries to use for all targets.
+  "dependencies": [ ],
+  // Authors, optionally with email.
+  "authors": [ "John Doe <john.doe@example.com>" ],
+  // Version using semantic versioning.
+  "version": "0.1.0",
+  // Sources compiled for all targets.
+  "sources": [ "src/**" ],
+  // Test sources compiled for all targets.
+  "test-sources": [ "test/**" ],
+  // C sources if the project also compiles C sources
+  // relative to the project file.
+  // "c-sources": [ "csource/**" ],
+  // Include directories for C sources relative to the project file.
+  // "c-include-dirs": [ "csource/include" ],
+  // Build location, relative to project file.
+  "build-dir": "build",
+  // Output location, relative to project file.
+  "output": "build",
+  // Architecture and OS target.
+  // You can use 'c3c --list-targets' to list all valid targets.
+  // "target": "windows-x64",
+  // Targets.
+  "targets": {
+    "tcp_echo": {
+      // Executable or library.
+      "type": "executable",
+      // Additional libraries, sources
+      // and overrides of global settings here.
+    },
+  },
+  // Global settings.
+  // CPU name, used for optimizations in the LLVM backend.
+  "cpu": "generic",
+  // Optimization: "O0", "O1", "O2", "O3", "O4", "O5", "Os", "Oz".
+  "opt": "O0"
+  // See resources/examples/project_all_settings.json and 'c3c --list-project-properties' to see more properties.
+}

src/main.c3

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+module tcp_echo;
+import std::io;
+
+fn int main(String[] args)
+{
+	io::printn("Hello, World!");
+	return 0;
+}

src/server.c3

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+module server;
+import std::net::tcp;
+
+// run_server block
+// handle(str message) -> message
+
+fn String handle(String message) {
+  return message;
+}
+
+fn TcpServerSocket run_server(String host, int port) {
+  TcpServerSocket socket = connect_to(host, port);
+}