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rust: improve explanation of string slices

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Emerentius
2019-09-01 11:54:15 +02:00
parent f766c0aed3
commit c5f6427b60
1 changed files with 2 additions and 4 deletions
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@@ -92,10 +92,8 @@ fn main() {
let s: String = "hello world".to_string(); let s: String = "hello world".to_string();
// A string slice – an immutable view into another string // A string slice – an immutable view into another string
// This is basically an immutable pair of pointers to a string – it doesn’t // The string buffer can be statically allocated like in a string literal
// actually contain the contents of a string, just a pointer to // or contained in another object (in this case, `s`)
// the begin and a pointer to the end of a string buffer,
// statically allocated or contained in another object (in this case, `s`)
let s_slice: &str = &s; let s_slice: &str = &s;
println!("{} {}", s, s_slice); // hello world hello world println!("{} {}", s, s_slice); // hello world hello world