bindings/d/examples/getting-started/source/app.d

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

// The Getting Started example for the D binding, embedded into the website
// guide. It runs against the in-memory service with no credentials, so CI can
// execute it directly. The region between the ANCHOR markers is what the docs
// show — keep it copy-pasteable.

// ANCHOR: quickstart
import opendal;
import std.stdio : writeln;

void main() @safe
{
    // Build an OperatorOptions, then construct the Operator.
    auto options = new OperatorOptions();
    auto op = Operator("memory", options);

    // Write bytes to a path.
    string data = "Hello, OpenDAL!";
    op.write("hello.txt", cast(ubyte[]) data.dup);

    // Read them back.
    ubyte[] result = op.read("hello.txt");
    writeln("read ", result.length, " bytes");

    // Inspect metadata.
    auto meta = op.stat("hello.txt");
    writeln("size = ", meta.contentLength(), " bytes");

    // Delete the file.
    op.remove("hello.txt");
}
// ANCHOR_END: quickstart