4:[[["$","script","0",{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"{\"@context\":\"https://schema.org\",\"@type\":\"LearningResource\",\"@id\":\"https://www.coddykit.com/courses/go/implementing-custom-readers-7271202\",\"name\":\"Implementing Custom Readers\",\"url\":\"https://www.coddykit.com/courses/go/implementing-custom-readers-7271202\",\"description\":\"Build your own streams.\",\"learningResourceType\":\"Lesson\",\"educationalLevel\":\"Beginner to Advanced\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true,\"isPartOf\":{\"@type\":\"Course\",\"name\":\"Go Academy\",\"url\":\"https://www.coddykit.com/courses/go\"},\"provider\":{\"@type\":\"Organization\",\"@id\":\"https://www.coddykit.com/#organization\",\"name\":\"CoddyKit\",\"url\":\"https://www.coddykit.com/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https://www.coddykit.com/logo.png\"}}}"}}],["$","script","1",{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"{\"@context\":\"https://schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https://www.coddykit.com/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Courses\",\"item\":\"https://www.coddykit.com/courses\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Go Academy\",\"item\":\"https://www.coddykit.com/courses/go\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Implementing Custom Readers\",\"item\":\"https://www.coddykit.com/courses/go/implementing-custom-readers-7271202\"}]}"}}]],["$","article",null,{"className":"lsn-wrap","children":[["$","nav",null,{"className":"lsn-crumbs","aria-label":"Breadcrumb","children":[["$","a",null,{"href":"/","children":"Home"}],["$","span",null,{"children":"/"}],["$","a",null,{"href":"/courses","children":"Courses"}],["$","span",null,{"children":"/"}],["$","a",null,{"href":"/courses/go","children":"Go Academy"}],["$","span",null,{"children":"/"}],["$","span",null,{"className":"cur","children":"Implementing Custom Readers"}]]}],["$","header",null,{"className":"lsn-head","children":[["$","span",null,{"className":"lsn-eyebrow","children":["Go Academy"," · Lesson"]}],["$","h1",null,{"className":"lsn-title","children":"Implementing Custom Readers"}],["$","p",null,{"className":"lsn-sub","children":"Build your own streams."}]]}],["$","div",null,{"className":"lsn-body","children":[[["$","section","7271302",{"className":"lsn-scene","children":[["$","h2",null,{"className":"lsn-scene-t","children":"Build Your Own Streams"}],["$","div",null,{"className":"cd-prose lsn-prose","dangerouslySetInnerHTML":{"__html":"

You can create custom data sources by implementing the one-method io.Reader interface. Your type then works with every io helper.

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Implement Read(p []byte) (n int, err error) on your type. Fill p, return the count, and return io.EOF when done.

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