Programming-Idioms

Edit summary for version 23 by programming-idioms:
New Go implementation by user [programming-idioms]

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2018-09-11, 22:48:17

2018-12-07, 12:53:18

Idiom #91 Load JSON file into struct

Read from file data.json and write its content into object x.
Assume the JSON data is suitable for the type of x.

Read from file data.json and write its content into object x.
Assume the JSON data is suitable for the type of x.

import "encoding/json"

r, err := os.Open(filename)
if err != nil {
	return err
}
decoder := json.NewDecoder(r)
err = decoder.Decode(&x)
if err != nil {
	return err
}

Create and use a *json.Decoder*

https://golang.org/pkg/encoding/json/#Decoder

https://play.golang.org/p/e5nQy3LKaur

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