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authorGriffin Smith <root@gws.fyi>2022-09-18T20·34-0400
committergrfn <grfn@gws.fyi>2022-09-22T01·36+0000
commit9e16d708092e88d0013ef96ef9a33ec28b2c46ea (patch)
treed645f726f9e06164e16747ede5bd833c9eeeedb9 /tvix/eval/src/builtins/impure.rs
parent7bf1b4deea0be5fcb183b7b39165185c2e9fc521 (diff)
feat(tvix/eval): Sketch out impure builtins r/4954
Sketch out a new set of "impure" builtins, which supplement the existing
set of "pure" builtins but are gated behind a feature flag, which allows
them to be omitted by crates depending on tvix-eval that only want pure
evaluation, such as tvixbolt.

Change-Id: I2736017b5c9b4776bbba8758e108ec84887abd66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6655
Reviewed-by: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: tazjin <tazjin@tvl.su>
Diffstat (limited to 'tvix/eval/src/builtins/impure.rs')
-rw-r--r--tvix/eval/src/builtins/impure.rs7
1 files changed, 7 insertions, 0 deletions
diff --git a/tvix/eval/src/builtins/impure.rs b/tvix/eval/src/builtins/impure.rs
new file mode 100644
index 000000000000..3438aa06f424
--- /dev/null
+++ b/tvix/eval/src/builtins/impure.rs
@@ -0,0 +1,7 @@
+use crate::value::Builtin;
+
+/// Return all impure builtins, that is all builtins which may perform I/O outside of the VM and so
+/// cannot be used in all contexts (e.g. WASM).
+pub(super) fn builtins() -> Vec<Builtin> {
+    vec![]
+}