Adds most of the toolsHEADmaster

1 files changed, 40 insertions, 0 deletions

diff --git a/v_windows/v/old/examples/json.v b/v_windows/v/old/examples/json.v
new file mode 100644
index 0000000..841d9e2
--- /dev/null
+++ b/v_windows/v/old/examples/json.v
@@ -0,0 +1,40 @@
+import json
+
+struct User {
+	name string
+	age  int
+mut:
+	is_registered bool
+}
+
+fn main() {
+	s := '[{ "name":"Frodo", "age":25}, {"name":"Bobby", "age":10}]'
+	mut users := json.decode([]User, s) or {
+		eprintln('Failed to parse json')
+		return
+	}
+	for user in users {
+		println('$user.name: $user.age')
+	}
+	println('')
+	for i, user in users {
+		println('$i) $user.name')
+		if !user.can_register() {
+			println('Cannot register $user.name, they are too young')
+		} else {
+			users[i].register()
+			println('$user.name is registered')
+		}
+	}
+	// Let's encode users again just for fun
+	println('')
+	println(json.encode(users))
+}
+
+fn (u User) can_register() bool {
+	return u.age >= 16
+}
+
+fn (mut u User) register() {
+	u.is_registered = true
+}