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Consider ZST values to be constant #1874

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torkleyy opened this issue Jan 28, 2017 · 2 comments
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Consider ZST values to be constant #1874

torkleyy opened this issue Jan 28, 2017 · 2 comments
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T-lang Relevant to the language team, which will review and decide on the RFC.

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@torkleyy
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If a value has a size of zero, there is nothing to allocate and it has no state so it should be constant and this should work:

struct Foo;

fn foo() -> &'static Foo {
    &Foo
}
@Stebalien
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RFC: #1414
Tracking Issue: rust-lang/rust#38865

😄

@torkleyy
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@Stebalien oops I didn't find this one ;)

@Centril Centril added the T-lang Relevant to the language team, which will review and decide on the RFC. label Feb 23, 2018
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@Stebalien @Centril @torkleyy