23 lines
455 B
Rust
23 lines
455 B
Rust
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#![feature(let_chains)]
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trait Demo {}
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impl dyn Demo {
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pub fn report(&self) -> u32 {
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let sum = |a: u32,
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b: u32,
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c: u32| {
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a + b + c
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};
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sum(1, 2, 3)
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}
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fn check(&self, val: Option<u32>, num: Option<u32>) {
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if let Some(b) = val
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&& let Some(c) = num {
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&& b == c {
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}
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}
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}
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fn main() { } //~ ERROR this file contains an unclosed delimiter
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