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v/examples/coroutines/simple_coroutines.v

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// Build with
// v -use-coroutines simple_coroutines.v
//
import coroutines
import time
fn foo(a int) {
for {
println('hello from foo() a=${a}')
coroutines.sleep(1 * time.second)
}
}
fn foo2(a int) {
for {
println('hello from foo2() a=${a}')
coroutines.sleep(2 * time.second)
}
}
fn foo3(a int) {
for {
println('hello from foo3() a=${a}')
coroutines.sleep(3 * time.second)
}
}
fn main() {
go foo(10)
go foo2(20)
go foo3(30)
for {
println('hello from MAIN')
coroutines.sleep(1 * time.second)
}
println('done')
}