fix: Resolve `this` correctly in levelgraph adapter example.

Callidon / sparql-engine

🚂 A framework for building SPARQL query engines in Javascript/Typescript

https://callidon.github.io/sparql-engine

MIT License

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fix: Resolve `this` correctly in levelgraph adapter example. #61

Closed earthlyreason closed 4 years ago

earthlyreason commented 4 years ago

Note that the semantics of this differ between arrow function and function expressions. The insert and delete operations were throwing TypeError because this._db was undefined.

earthlyreason commented 4 years ago

Fixes #60.