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author | Griffin Smith <root@gws.fyi> | 2022-09-18T20·07-0400 |
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committer | grfn <grfn@gws.fyi> | 2022-09-18T22·13+0000 |
commit | d42d8f3089c524cfa9e2fc332a81af5c0686db8d (patch) | |
tree | da8c036c520c67c9f5578d2e47a5b9d701697c4b | |
parent | e720545e5b32683a3cdb135b6004a06304e025aa (diff) |
docs(tvix/eval): Document OpAttrs r/4912
Document the OpAttrs op, paying special attention to the (perhaps confusing) behavior of taking the number of *pairs*, not the number of *values*, which will be popped off the stack into the resulting attr set. Change-Id: I64df0290308ecae7a5c7e14ead37091d32701507 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6654 Autosubmit: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su>
-rw-r--r-- | tvix/eval/src/opcode.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tvix/eval/src/opcode.rs b/tvix/eval/src/opcode.rs index 458ea6dd3feb..9ddd1953210c 100644 --- a/tvix/eval/src/opcode.rs +++ b/tvix/eval/src/opcode.rs @@ -86,6 +86,10 @@ pub enum OpCode { OpJumpIfNotFound(JumpOffset), // Attribute sets + /// Construct an attribute set from the given number of key-value pairs on the top of the stack + /// + /// Note that this takes the count of *pairs*, not the number of *stack values* - the actual + /// number of values popped off the stack will be twice the argument to this op OpAttrs(Count), OpAttrPath(Count), OpAttrsUpdate, |