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feat(tvix/eval): display function names in documentation

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... if they are known. We currently do not propagate names correctly
for curried functions.

Change-Id: I19d57fb30a5c0000ccdf690b91076f6b2191de23
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7596
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
This commit is contained in:
Vincent Ambo 2022-12-20 15:01:24 +03:00 committed by tazjin
parent e3f81e8d3b
commit 712f1167ad
1 changed files with 8 additions and 1 deletions
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9
tvix/eval/src/value/mod.rs
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@ -446,7 +446,14 @@ impl Value {
Value::Path(p) => format!("the path '{}'", p.to_string_lossy()),
Value::Attrs(attrs) => format!("a {}-item attribute set", attrs.len()),
Value::List(list) => format!("a {}-item list", list.len()),
Value::Closure(_f) => format!("a user-defined Nix function"), // TODO: name, loc, etc.
Value::Closure(f) => {
if let Some(name) = &f.lambda.name {
format!("the user-defined Nix function '{}'", name)
} else {
format!("a user-defined Nix function")
}
}
Value::Builtin(b) => {
let mut out = format!("the builtin function '{}'", b.name());