diff options
Diffstat (limited to 'tests/ui/rfc-2632-const-trait-impl/call-const-trait-method-pass.rs')
-rw-r--r-- | tests/ui/rfc-2632-const-trait-impl/call-const-trait-method-pass.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/call-const-trait-method-pass.rs b/tests/ui/rfc-2632-const-trait-impl/call-const-trait-method-pass.rs new file mode 100644 index 000000000..b64161b6a --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/call-const-trait-method-pass.rs @@ -0,0 +1,43 @@ +// run-pass + +#![feature(const_trait_impl)] + +struct Int(i32); + +impl const std::ops::Add for Int { + type Output = Int; + + fn add(self, rhs: Self) -> Self { + Int(self.0.plus(rhs.0)) + } +} + +impl const PartialEq for Int { + fn eq(&self, rhs: &Self) -> bool { + self.0 == rhs.0 + } + fn ne(&self, other: &Self) -> bool { + !self.eq(other) + } +} + +#[const_trait] +pub trait Plus { + fn plus(self, rhs: Self) -> Self; +} + +impl const Plus for i32 { + fn plus(self, rhs: Self) -> Self { + self + rhs + } +} + +pub const fn add_i32(a: i32, b: i32) -> i32 { + a.plus(b) +} + +const ADD_INT: Int = Int(1i32) + Int(2i32); + +fn main() { + assert!(ADD_INT == Int(3i32)); +} |