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Make none spreadable

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This commit is contained in:
Laurenz 2021-10-10 12:16:28 +02:00
parent c0f5cd011f
commit f4ed775df0
2 changed files with 8 additions and 0 deletions
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1
src/eval/mod.rs
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@ -412,6 +412,7 @@ impl Eval for CallArgs {
}); });
} }
CallArg::Spread(expr) => match expr.eval(ctx)? { CallArg::Spread(expr) => match expr.eval(ctx)? {
Value::None => {}
Value::Array(array) => { Value::Array(array) => {
items.extend(array.into_iter().map(|value| Arg { items.extend(array.into_iter().map(|value| Arg {
span, span,

7
tests/typ/code/spread.typ
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@ -50,6 +50,13 @@
test(tostr(a: 1, ..more, b: 2), "(a: 1, c: 3, d: 4, b: 2)") test(tostr(a: 1, ..more, b: 2), "(a: 1, c: 3, d: 4, b: 2)")
} }
---
// None is spreadable.
#let f() = none
#f(..none)
#f(..if false {})
#f(..for x in () [])
--- ---
// Error: 8-14 cannot spread string // Error: 8-14 cannot spread string
#min(.."nope") #min(.."nope")