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Enable a test and improve per clippy's suggestion. (#256)

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Enable a test and improve per clippy's suggestion.
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fmoko 2019-12-25 00:59:35 +01:00 committed by GitHub
commit 3afa96bed4
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1 changed files with 4 additions and 2 deletions
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4
exercises/conversions/as_ref_mut.rs
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@ -13,7 +13,7 @@ fn byte_counter<T>(arg: T) -> usize {
// Obtain the number of characters (not bytes) in the given argument // Obtain the number of characters (not bytes) in the given argument
// Add the AsRef trait appropriately as a trait bound // Add the AsRef trait appropriately as a trait bound
fn char_counter<T>(arg: T) -> usize { fn char_counter<T>(arg: T) -> usize {
arg.as_ref().chars().collect::<Vec<_>>().len() arg.as_ref().chars().count()
} }
fn main() { fn main() {
@ -31,6 +31,8 @@ mod tests {
let s = "Café au lait"; let s = "Café au lait";
assert_ne!(char_counter(s), byte_counter(s)); assert_ne!(char_counter(s), byte_counter(s));
} }
#[test]
fn same_counts() { fn same_counts() {
let s = "Cafe au lait"; let s = "Cafe au lait";
assert_eq!(char_counter(s), byte_counter(s)); assert_eq!(char_counter(s), byte_counter(s));