mirror of https://github.com/rust-lang/rust
36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
#![unstable(feature = "humans",
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reason = "who ever let humans program computers,
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we're apparently really bad at it",
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issue = "none")]
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#![feature(foo, foo2)]
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#![feature(staged_api)]
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_unstable(feature="foo", issue = "none")]
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const fn foo() -> u32 { 42 }
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
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// can't call non-min_const_fn
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const unsafe fn bar() -> u32 { foo() } //~ ERROR not yet stable as a const fn
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#[unstable(feature = "foo2", issue = "none")]
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const fn foo2() -> u32 { 42 }
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
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// can't call non-min_const_fn
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const unsafe fn bar2() -> u32 { foo2() } //~ ERROR not yet stable as a const fn
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// check whether this function cannot be called even with the feature gate active
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#[unstable(feature = "foo2", issue = "none")]
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const fn foo2_gated() -> u32 { 42 }
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
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// can't call non-min_const_fn
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const unsafe fn bar2_gated() -> u32 { foo2_gated() } //~ ERROR not yet stable as a const fn
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fn main() {}
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