Programming-Idioms

Edit summary for version 24 by programming-idioms:
[Go] Typo in comments

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2018-12-07, 12:53:18

2018-12-07, 12:53:46

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"

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
}

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*

Create and use a *json.Decoder

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

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

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

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

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