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denoland-deno/cli/ops/random.rs
Bartek Iwańczuk e6c349af9f split up ops.rs (#2753)
Note cli/dispatch_minimal.rs ops are not yet included in cli/ops.

This is part of work towards #2730
2019-08-14 11:03:02 -04:00

25 lines
629 B
Rust

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use crate::msg;
use crate::ops::empty_buf;
use crate::ops::ok_buf;
use crate::ops::CliOpResult;
use crate::state::ThreadSafeState;
use deno::*;
use rand::thread_rng;
use rand::Rng;
pub fn op_get_random_values(
state: &ThreadSafeState,
_base: &msg::Base<'_>,
data: Option<PinnedBuf>,
) -> CliOpResult {
if let Some(ref seeded_rng) = state.seeded_rng {
let mut rng = seeded_rng.lock().unwrap();
rng.fill(&mut data.unwrap()[..]);
} else {
let mut rng = thread_rng();
rng.fill(&mut data.unwrap()[..]);
}
ok_buf(empty_buf())
}