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fix structs that contain types which require comptime

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Now, if a struct has any fields which require comptime,
such as `type`, then the struct is marked as requiring
comptime as well. Same goes for unions.

This means that a function will implicitly be called
at comptime if the return type is a struct which contains
a field of type `type`.

closes #586
This commit is contained in:
Andrew Kelley
2018-06-07 17:26:41 -04:00
parent b11c5d8f82
commit 31aefa6a21
5 changed files with 77 additions and 81 deletions
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2
test/compile_errors.zig
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@@ -3329,7 +3329,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
".tmp_source.zig:9:4: error: variable of type 'comptime_float' must be const or comptime",
".tmp_source.zig:10:4: error: variable of type '(block)' must be const or comptime",
".tmp_source.zig:11:4: error: variable of type '(null)' must be const or comptime",
".tmp_source.zig:12:4: error: variable of type 'Opaque' must be const or comptime",
".tmp_source.zig:12:4: error: variable of type 'Opaque' not allowed",
".tmp_source.zig:13:4: error: variable of type 'type' must be const or comptime",
".tmp_source.zig:14:4: error: variable of type '(namespace)' must be const or comptime",
".tmp_source.zig:15:4: error: variable of type '(bound fn(*const Foo) void)' must be const or comptime",