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feat(tvix/eval): add EvalIO to public crate API

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This lets users set the `io_handle` field on an `Evaluation`, which is
then propagated to the VM.

Change-Id: I616d7140724fb2b4db47c2ebf95451d5303a487a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7566
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
This commit is contained in:
Vincent Ambo 2022-12-12 17:38:28 +03:00 • committed by tazjin
parent 25fc6b7c25
commit c3c4d752c9
6 changed files with 42 additions and 14 deletions
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4
tvix/eval/src/io.rs
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@ -27,7 +27,7 @@ pub trait EvalIO {
/// Implementation of [`EvalIO`] that simply uses the equivalent
/// standard library functions, i.e. does local file-IO.
struct StdIO;
pub struct StdIO;
impl EvalIO for StdIO {
fn read_to_string(&self, path: PathBuf) -> Result<String, ErrorKind> {
@ -41,7 +41,7 @@ impl EvalIO for StdIO {
/// Dummy implementation of [`EvalIO`], can be used in contexts where
/// IO is not available but code should "pretend" that it is.
struct DummyIO;
pub struct DummyIO;
impl EvalIO for DummyIO {
fn read_to_string(&self, _: PathBuf) -> Result<String, ErrorKind> {