Public API and docs

src/stl/conv/to_string.rs

@@ -0,0 +1,32 @@
+use std::fmt::Debug;
+
+use super::super::litconv::with_lit;
+use crate::representations::interpreted::ExprInst;
+use crate::representations::Literal;
+use crate::{atomic_impl, atomic_redirect, externfn_impl};
+
+/// Convert a literal to a string using Rust's conversions for floats, chars and
+/// uints respectively
+///
+/// Next state: [ToString0]
+#[derive(Clone)]
+pub struct ToString1;
+externfn_impl!(ToString1, |_: &Self, x: ExprInst| Ok(ToString0 { x }));
+
+/// Prev state: [ToString1]
+#[derive(Debug, Clone)]
+pub struct ToString0 {
+  x: ExprInst,
+}
+atomic_redirect!(ToString0, x);
+atomic_impl!(ToString0, |Self { x }: &Self, _| {
+  let string = with_lit(x, |l| {
+    Ok(match l {
+      Literal::Char(c) => c.to_string(),
+      Literal::Uint(i) => i.to_string(),
+      Literal::Num(n) => n.to_string(),
+      Literal::Str(s) => s.clone(),
+    })
+  })?;
+  Ok(string.into())
+});