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const (
unsorted = [2, 30, 10, 20, 1]
sorted_asc = [1, 2, 10, 20, 30]
sorted_desc = [30, 20, 10, 2, 1]
)
fn test_sorting_simple() {
mut a := unsorted.clone()
a.sort()
eprintln(' a: $a')
assert a == sorted_asc
}
fn test_sorting_with_condition_expression() {
mut a := unsorted.clone()
a.sort(a > b)
eprintln(' a: $a')
assert a == sorted_desc
}
fn test_sorting_primitives_with_condition_expression() {
mut x := ['9', '87', '3210', '654']
x.sort(a.len < b.len)
assert x == ['9', '87', '654', '3210']
}
// fn get_score(word string) int {
// mut total := 0
// for letter in word {
// total += int(letter) - 97
// }
// return total
// }
// fn test_sorting_with_fn_call_in_condition_expression() {
// mut words := ['aaaa', 'a', 'b', 'foo', 'bar']
// words.sort(get_score(a) < get_score(b))
// }
fn mysort(mut a []int) {
a.sort()
}
fn test_sorting_by_passing_a_mut_array_to_a_function() {
mut a := unsorted.clone()
mysort(mut a)
eprintln(' a: $a')
assert a == sorted_asc
}
/*
fn test_sorting_by_passing_an_anonymous_sorting_function() {
mut a := unsorted
a.sort(fn(a &int, b &int) int { return *b - *a })
eprintln(' a: $a')
assert a == sort_desc
}
*/
fn test_sorting_u64s() {
mut a := [u64(3), 2, 1, 9, 0, 8]
a.sort()
eprintln(' a: $a')
assert a == [u64(0), 1, 2, 3, 8, 9]
a.sort(a > b)
eprintln(' a: $a')
assert a == [u64(9), 8, 3, 2, 1, 0]
}
struct User {
age int
name string
}
fn g(mut users []User) {
users.sort(a.name > b.name)
}
fn f(mut users []User) {
users.sort(a.name < b.name)
}
fn z(mut users []User) {
users.sort(a.name < b.name)
}
|
