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Sema: add error for non-comptime param in comptime func

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Adds error for taking a non comptime parameter in a function returning a
comptime-only type but not when that type is dependent on a parameter.

Co-authored-by: Veikka Tuominen <git@vexu.eu>
This commit is contained in:
antlilja
2022-08-06 22:32:00 +02:00
committed by Veikka Tuominen
parent da95da438e
commit ae8d26a6a0
10 changed files with 95 additions and 26 deletions
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lib/std/meta.zig
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@@ -764,7 +764,7 @@ const TagPayloadType = TagPayload;
///Given a tagged union type, and an enum, return the type of the union
/// field corresponding to the enum tag.
pub fn TagPayload(comptime U: type, tag: Tag(U)) type {
pub fn TagPayload(comptime U: type, comptime tag: Tag(U)) type {
comptime debug.assert(trait.is(.Union)(U));
const info = @typeInfo(U).Union;