ptr.pet
1use js_sys::Math;
2use nu_protocol::Type;
3use nu_protocol::engine::Call;
4use nu_protocol::{
5 Category, IntoPipelineData, PipelineData, ShellError, Signature, Value,
6 engine::{Command, EngineState, Stack},
7};
8
9#[derive(Clone)]
10pub struct Random;
11
12impl Command for Random {
13 fn name(&self) -> &str {
14 "random"
15 }
16
17 fn signature(&self) -> Signature {
18 Signature::build("random")
19 .category(Category::Math)
20 .input_output_type(Type::Nothing, Type::Float)
21 }
22
23 fn description(&self) -> &str {
24 "returns a random float between 0 and 1."
25 }
26
27 fn run(
28 &self,
29 _engine_state: &EngineState,
30 _stack: &mut Stack,
31 call: &Call,
32 _input: PipelineData,
33 ) -> Result<PipelineData, ShellError> {
34 let v: f64 = Math::random();
35 Ok(Value::float(v, call.head).into_pipeline_data())
36 }
37}