JSON: Difference between revisions
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(Emacs Lisp: Clean up formatting, add Jansson examples) |
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(v "S" "\11064")
(badsyntax . "")</lang>
=={{header|Vlang}}==
<lang vlang>import json
struct User {
// Adding a [required] attribute will make decoding fail, if that
// field is not present in the input.
// If a field is not [required], but is missing, it will be assumed
// to have its default value, like 0 for numbers, or '' for strings,
// and decoding will not fail.
name string [required]
age int
// Use the `skip` attribute to skip certain fields
foo int [skip]
// If the field name is different in JSON, it can be specified
last_name string [json: lastName]
possessions []string
}
fn main() {
data := '{ "name": "Frodo", "lastName": "Baggins", "age": 25, "possessions": ["shirt","ring","sting"] }'
user := json.decode(User, data) or {
eprintln('Failed to decode json, error: $err')
return
}
println(user)
println(json.encode(user))
}</lang>
{{out}}
<pre>
User{
name: 'Frodo'
age: 25
foo: 0
last_name: 'Baggins'
possessions: ['shirt', 'ring', 'sting']
}
{"name":"Frodo","age":25,"lastName":"Baggins","possessions":["shirt","ring","sting"]}
</pre>
=={{header|Wren}}==
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