forked from Orchid/orchid
28 lines
725 B
Rust
28 lines
725 B
Rust
use std::fmt::Debug;
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use super::io::IO;
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use crate::foreign::{Atomic, AtomicResult, AtomicReturn};
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use crate::interpreter::Context;
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use crate::representations::interpreted::ExprInst;
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use crate::{atomic_defaults, externfn_impl};
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/// Create an [IO] event that reads a line form standard input and calls the
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/// continuation with it.
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///
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/// Next state: [Readln1]
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#[derive(Clone)]
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pub struct Readln2;
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externfn_impl!(Readln2, |_: &Self, x: ExprInst| Ok(Readln1 { x }));
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/// Prev state: [Readln2]
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#[derive(Debug, Clone)]
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pub struct Readln1 {
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x: ExprInst,
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}
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impl Atomic for Readln1 {
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atomic_defaults!();
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fn run(&self, ctx: Context) -> AtomicResult {
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Ok(AtomicReturn::from_data(IO::Readline(self.x.clone()), ctx))
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}
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}
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