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denoland-deno/cli/ops/random.rs
2019-08-26 08:50:21 -04:00

24 lines
634 B
Rust

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use super::dispatch_json::{JsonOp, Value};
use crate::state::ThreadSafeState;
use deno::*;
use rand::thread_rng;
use rand::Rng;
pub fn op_get_random_values(
state: &ThreadSafeState,
_args: Value,
zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
assert!(zero_copy.is_some());
if let Some(ref seeded_rng) = state.seeded_rng {
let mut rng = seeded_rng.lock().unwrap();
rng.fill(&mut zero_copy.unwrap()[..]);
} else {
let mut rng = thread_rng();
rng.fill(&mut zero_copy.unwrap()[..]);
}
Ok(JsonOp::Sync(json!({})))
}