tasks.json

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558 
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "cargo build --example",
            "command": "cargo",
            "args": [
                "build",
                "--example",
                "${fileBasenameNoExtension}"
            ],
            "problemMatcher": [
                "$rustc"
            ],
            "group": "build",
        },
        {
            "label": "cargo build --example --release",
            "command": "cargo",
            "args": [
                "build",
                "--example",
                "${fileBasenameNoExtension}",
                "--release"
            ],
            "problemMatcher": [
                "$rustc"
            ],
            "group": "build",
        },
    ]
}