// WARNING: This output format is intended for human consumers only // and is subject to change without notice. Knock yourself out. fn foo() -> i32 { let mut _0: i32; // return place in scope 0 at main.rs:4:19: 4:22 bb0: { _0 = const 11_i32; // scope 0 at main.rs:5:5: 5:10 return; // scope 0 at main.rs:6:2: 6:2 } } // MIR FOR CTFE fn foo() -> i32 { let mut _0: i32; // return place in scope 0 at main.rs:4:19: 4:22 let mut _1: (i32, bool); // in scope 0 at main.rs:5:5: 5:10 bb0: { _1 = CheckedAdd(const 5_i32, const 6_i32); // scope 0 at main.rs:5:5: 5:10 assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 5_i32, const 6_i32) -> bb1; // scope 0 at main.rs:5:5: 5:10 } bb1: { _0 = move (_1.0: i32); // scope 0 at main.rs:5:5: 5:10 return; // scope 0 at main.rs:6:2: 6:2 } } fn main() -> () { let mut _0: (); // return place in scope 0 at main.rs:8:11: 8:11 let _1: i32; // in scope 0 at main.rs:9:5: 9:10 bb0: { _1 = foo() -> bb1; // scope 0 at main.rs:9:5: 9:10 // mir::Constant // + span: main.rs:9:5: 9:8 // + literal: Const { ty: fn() -> i32 {foo}, val: Value() } } bb1: { return; // scope 0 at main.rs:10:2: 10:2 } }