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Tonći Galić 2020-04-08 11:00:11 +02:00 committed by GitHub
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exercises/conversions/as_ref_mut.rs
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@ -2,13 +2,13 @@
// Read more about them at https://doc.rust-lang.org/std/convert/trait.AsRef.html // Read more about them at https://doc.rust-lang.org/std/convert/trait.AsRef.html
// and https://doc.rust-lang.org/std/convert/trait.AsMut.html, respectively. // and https://doc.rust-lang.org/std/convert/trait.AsMut.html, respectively.
// I AM NOT DONE
// Obtain the number of bytes (not characters) in the given argument // Obtain the number of bytes (not characters) in the given argument
// Add the AsRef trait appropriately as a trait bound // Add the AsRef trait appropriately as a trait bound
fn byte_counter<T>(arg: T) -> usize { fn byte_counter<T>(arg: T) -> usize {
arg.as_ref().as_bytes().len() arg.as_ref().as_bytes().len()
} }
// I AM NOT DONE
// 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 {