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author | Adam Carpenter <gitlab@53hor.net> | 2019-07-09 15:14:04 -0400 |
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committer | Adam Carpenter <gitlab@53hor.net> | 2019-07-09 15:14:04 -0400 |
commit | 7e8ee5ed9cad6484e9f13f81731b102ced58402e (patch) | |
tree | 5395402ab07bbb5a659dbd68c701e22a1227202f /rust-book/ownership | |
download | learning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.tar.xz learning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.zip |
Init.
Diffstat (limited to 'rust-book/ownership')
-rwxr-xr-x | rust-book/ownership/Cargo.lock | 4 | ||||
-rwxr-xr-x | rust-book/ownership/Cargo.toml | 7 | ||||
-rwxr-xr-x | rust-book/ownership/src/main.rs | 51 |
3 files changed, 62 insertions, 0 deletions
diff --git a/rust-book/ownership/Cargo.lock b/rust-book/ownership/Cargo.lock new file mode 100755 index 0000000..9e4e62d --- /dev/null +++ b/rust-book/ownership/Cargo.lock @@ -0,0 +1,4 @@ +[[package]] +name = "ownership" +version = "0.1.0" + diff --git a/rust-book/ownership/Cargo.toml b/rust-book/ownership/Cargo.toml new file mode 100755 index 0000000..f21df45 --- /dev/null +++ b/rust-book/ownership/Cargo.toml @@ -0,0 +1,7 @@ +[package] +name = "ownership" +version = "0.1.0" +authors = ["Adam Carpenter <carpenat@ES.AD.ADP.COM>"] +edition = "2018" + +[dependencies] diff --git a/rust-book/ownership/src/main.rs b/rust-book/ownership/src/main.rs new file mode 100755 index 0000000..1684f55 --- /dev/null +++ b/rust-book/ownership/src/main.rs @@ -0,0 +1,51 @@ +fn main() { + //let words = String::from("hello there world"); + //let words = "hello there world"; + //let first = first_word(&words); + //let second = second_word(&words); + //let last = last_word(&words); + //println!("{}\n{}", first, last); + let a = [1, 2, 3, 4, 5]; + let slice = &a[1..4]; + + for each in slice { + println!("{}", each); + } +} + +fn first_word(s: &str) -> &str { + let bytes = s.as_bytes(); + + for (i, &item) in bytes.iter().enumerate() { + if item == b' ' { + return &s[..i]; + } + } + + &s +} + +fn second_word(s: &str) -> &str { + let bytes = s.as_bytes(); + + for (i, &item) in bytes.iter().enumerate() { + if item == b' ' { + return &s[i + 1..]; + } + } + + &s +} + +fn last_word(s: &str) -> &str { + let bytes = s.as_bytes(); + let mut result = ""; + + for (i, &item) in bytes.iter().enumerate() { + if item == b' ' { + result = &s[i + 1..]; + } + } + + &result +} |