mirror of https://github.com/vlang/v.git
41 lines
749 B
V
41 lines
749 B
V
import json
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struct User {
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name string
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age int
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mut:
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is_registered bool
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}
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fn main() {
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s := '[{ "name":"Frodo", "age":25}, {"name":"Bobby", "age":10}]'
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mut users := json.decode([]User, s) or {
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eprintln('Failed to parse json')
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return
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}
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for user in users {
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println('${user.name}: ${user.age}')
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}
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println('')
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for i, user in users {
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println('${i}) ${user.name}')
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if !user.can_register() {
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println('Cannot register ${user.name}, they are too young')
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} else {
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users[i].register()
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println('${user.name} is registered')
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}
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}
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// Let's encode users again just for fun
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println('')
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println(json.encode(users))
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}
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fn (u User) can_register() bool {
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return u.age >= 16
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}
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fn (mut u User) register() {
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u.is_registered = true
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}
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