From 5ceb6d9743e4857849dd3b6b14bbea39a667c0c0 Mon Sep 17 00:00:00 2001 From: darkicewolf50 Date: Sun, 29 Dec 2024 11:57:22 -0700 Subject: [PATCH] got through a good portion of loops --- .gitignore | 6 +- functions_rust/src/main.rs | 2 +- guessing_game/target/.rustc_info.json | 2 +- hello_cargo/target/.rustc_info.json | 2 +- loops/Cargo.lock | 7 +++ loops/Cargo.toml | 6 ++ loops/src/main.rs | 80 +++++++++++++++++++++++++++ 7 files changed, 99 insertions(+), 6 deletions(-) create mode 100644 loops/Cargo.lock create mode 100644 loops/Cargo.toml create mode 100644 loops/src/main.rs diff --git a/.gitignore b/.gitignore index 58bcaa2..109f371 100644 --- a/.gitignore +++ b/.gitignore @@ -1,5 +1,5 @@ /target - /**/target/ - -/*/target/ \ No newline at end of file +/*/target/ +/**/target +/*/target \ No newline at end of file diff --git a/functions_rust/src/main.rs b/functions_rust/src/main.rs index 5b621e6..bf1329f 100644 --- a/functions_rust/src/main.rs +++ b/functions_rust/src/main.rs @@ -37,11 +37,11 @@ fn example_function (x:i8, y:u16) { // let x = 5; // x + 1 // } +// macros are statements // EXPRESSIONS DO NOT END WITH ; // if you add a ; to the end of a statment it will turn into a statement and not return anything // unless it is a return keyword -// or if it is a marco (not required) fn with_return_plus_one (c: i16) -> i16 { diff --git a/guessing_game/target/.rustc_info.json b/guessing_game/target/.rustc_info.json index 1b8bd1d..5e569d1 100644 --- a/guessing_game/target/.rustc_info.json +++ b/guessing_game/target/.rustc_info.json @@ -1 +1 @@ -{"rustc_fingerprint":13662911779824945272,"outputs":{"12744816824612481171":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\Brock\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""},"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.83.0 (90b35a623 2024-11-26)\nbinary: rustc\ncommit-hash: 90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf\ncommit-date: 2024-11-26\nhost: x86_64-pc-windows-msvc\nrelease: 1.83.0\nLLVM version: 19.1.1\n","stderr":""},"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\Brock\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""}},"successes":{}} \ No newline at end of file +{"rustc_fingerprint":13662911779824945272,"outputs":{"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.83.0 (90b35a623 2024-11-26)\nbinary: rustc\ncommit-hash: 90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf\ncommit-date: 2024-11-26\nhost: x86_64-pc-windows-msvc\nrelease: 1.83.0\nLLVM version: 19.1.1\n","stderr":""},"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\Brock\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""}},"successes":{}} \ No newline at end of file diff --git a/hello_cargo/target/.rustc_info.json b/hello_cargo/target/.rustc_info.json index 35ae81c..5e569d1 100644 --- a/hello_cargo/target/.rustc_info.json +++ b/hello_cargo/target/.rustc_info.json @@ -1 +1 @@ -{"rustc_fingerprint":13662911779824945272,"outputs":{"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\Brock\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""},"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.83.0 (90b35a623 2024-11-26)\nbinary: rustc\ncommit-hash: 90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf\ncommit-date: 2024-11-26\nhost: x86_64-pc-windows-msvc\nrelease: 1.83.0\nLLVM version: 19.1.1\n","stderr":""},"12744816824612481171":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\Brock\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""}},"successes":{}} \ No newline at end of file +{"rustc_fingerprint":13662911779824945272,"outputs":{"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.83.0 (90b35a623 2024-11-26)\nbinary: rustc\ncommit-hash: 90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf\ncommit-date: 2024-11-26\nhost: x86_64-pc-windows-msvc\nrelease: 1.83.0\nLLVM version: 19.1.1\n","stderr":""},"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\Brock\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""}},"successes":{}} \ No newline at end of file diff --git a/loops/Cargo.lock b/loops/Cargo.lock new file mode 100644 index 0000000..7261438 --- /dev/null +++ b/loops/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "loops" +version = "0.1.0" diff --git a/loops/Cargo.toml b/loops/Cargo.toml new file mode 100644 index 0000000..810e8bb --- /dev/null +++ b/loops/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "loops" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/loops/src/main.rs b/loops/src/main.rs new file mode 100644 index 0000000..1b41ae1 --- /dev/null +++ b/loops/src/main.rs @@ -0,0 +1,80 @@ +fn main() { + println!("Hello, world!"); + looping_through_a_list(); +} + +// rust has 3 types of loops: loop, while and for + +// This will not stop until interrupted unless told by a return, break or a ctrl-c +fn forever_loop () { + loop { + println!("another loop!") + } + + let mut counter = 0; + let value_from_loop = loop { + counter += 1; + if counter == 4 { + break counter; + } + }; +} + +// continue +// this will start the loop over again from the top regardless of the code after it +// break, can return values from a loop, needs a ; after break to do that + +// one use of a loop is checking weather a thread is finished or do a operation that you know might fail + +fn loop_with_labels () { + let mut counter = 0; + let result = 'first_loop: loop { + println!("counter = {counter}"); + let mut remaining = 10; + 'inner_loop: loop { + println!("remaining = {remaining}"); + if remaining == 9 { + // both acceptable + break 'inner_loop; + // continue 'inner_loop; + } + if counter == 2 { + // returns a value and goes out of the outermost loop called/labelled first_loop + break 'first_loop counter*2; + } + remaining -= 1; + } + counter += 1; + }; + println!("counter = {counter}"); + println!("result = {result}"); +} + +fn looping_with_while () { + let mut count_down = 3; + println!("liftoff in {count_down} seconds"); + + while count_down != 0 { + println!("{}!", count_down); + + count_down -= 1; + } + + println!("Lift-Off!"); + +} + +// while will only run when the condition/bool is true otherwise it will call a break of the loop by itself +// removes a lot of the nesting of if, else, and break statements in loops + +fn looping_through_a_list () { + let a = [32, 5, 20, 40, 50, 60]; + let mut index = 0; + // if a.len was a static number this would/could cause the program to panic + // because if a was modified and the static number was not then it would attempt to go out out the assigned memory + // using list.len() is always a better solution + while index < a.len() { + println!("the value is: {}", a[index]); + index += 1; + } +} \ No newline at end of file