gemstone/tests/hello_world/main.gsc

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import "std"
fun cstrlen(in cstr: str)(out u32: len) {
u32: idx = 0 as u32
while !(str[idx] == 0) {
idx = idx + 1
}
len = idx
}
fun printcstr(in cstr: msg) {
u32: len = 0
cstrlen(msg)(len)
handle: stdout = 0
getStdoutHandle()(stdout)
u32: written = 0
writeBytes(stdout, msg, len)(written)
}
fun main() {
cstr: msg = "Hello, world!\n"
printcstr(msg)
}