rust/src/test/compile-fail/block-coerce-no.rs

17 lines
389 B
Rust

// error-pattern: mismatched types
// Make sure that fn-to-block coercion isn't incorrectly lifted over
// other tycons.
fn coerce(b: block()) -> fn() {
fn lol(f: fn(block()) -> fn(), g: block()) -> fn() { ret f(g); }
fn fn_id(f: fn()) -> fn() { ret f }
ret lol(fn_id, b);
}
fn main() {
let i = 8;
let f = coerce(block () { log_full(core::error, i); });
f(); }