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Augusto 4793180931 Add test and subject for the exercise `string_literal` 4 years ago
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README.md Add test and subject for the exercise `string_literal` 4 years ago

README.md

string literal

Instructions

Create the following functions:

  • is_empty, that returns true if a string is empty
  • is_ascii, that returns true if all characters of a given string is in ASCII range
  • contains, that returns true if the string contains a pattern given
  • split_at, that divides a string in two returning a tuple
  • `find', that returns the index if the first character of a given string that matches the pattern

This exercise will test the heap allocation of your function! So try your best to allocate the minimum data on the heap! (hit: &str)

Notions

Expected Functions

fn is_empty(v: &str) -> bool {
}

fn is_ascii(v: &str) -> bool {
}

fn contains(v: &str, pat: &str) -> bool {
}

fn split_at(v: &str, index: usize) -> (&str, &str) {
}

fn find(v: &str, pat: char) -> usize {
}

Usage

Here is a program to test your function


And its output

student@ubuntu:~/[[ROOT]]/test$ cargo run
student@ubuntu:~/[[ROOT]]/test$