27 lines
393 B
Rust
27 lines
393 B
Rust
#![feature(plugin)]
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#![plugin(clippy)]
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#![warn(if_let_some_result)]
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fn str_to_int(x: &str) -> i32 {
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if let Some(y) = x.parse().ok() {
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y
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} else {
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0
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}
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}
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fn str_to_int_ok(x: &str) -> i32 {
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if let Ok(y) = x.parse() {
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y
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} else {
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0
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}
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}
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fn main() {
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let y = str_to_int("1");
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let z = str_to_int_ok("2");
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println!("{}{}", y, z);
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}
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