Hadassah Wk3day3

submissions/week-3/day-3/Hadassah/minigrep/Cargo.toml

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+[package]
+name = "minigrep"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

submissions/week-3/day-3/Hadassah/minigrep/poem.txt

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+I'm nobody! Who are you?
+Are you nobody, too?
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
+
+How dreary to be somebody!
+How public, like a frog
+To tell your name the livelong day
+To an admiring bog!

submissions/week-3/day-3/Hadassah/minigrep/src/lib.rs

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+pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
+    let mut results = Vec::new();
+
+    for line in contents.lines() {
+        if line.contains(query) {
+            results.push(line);
+        }
+    }
+
+    results
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn case_sensitive() {
+        let query = "duct";
+        let contents = "\
+Rust:
+safe, fast, productive.
+Pick three.
+Duct tape.";
+
+        assert_eq!(vec!["safe, fast, productive."], search(query, contents));
+    }
+
+    #[test]
+    fn case_insensitive() {
+        let query = "rUsT";
+        let contents = "\
+Rust:
+safe, fast, productive.
+Pick three.
+Trust me.";
+
+        assert_eq!(
+            vec!["Rust:", "Trust me."],
+            search_case_insensitive(query, contents)
+        );
+    }
+}

submissions/week-3/day-3/Hadassah/minigrep/src/main.rs

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+use std::env;
+use std::error::Error;
+use std::fs;
+use std::process;
+
+use minigrep::{search, search_case_insensitive};
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+
+    let config = Config::build(&args).unwrap_or_else(|err| {
+        println!("Problem parsing arguments: {err}");
+        process::exit(1);
+    });
+
+    if let Err(e) = run(config) {
+        println!("Application error: {e}");
+        process::exit(1);
+    }
+}
+
+pub struct Config {
+    pub query: String,
+    pub file_path: String,
+    pub ignore_case: bool,
+}
+
+impl Config {
+    fn build(args: &[String]) -> Result<Config, &'static str> {
+        if args.len() < 3 {
+            return Err("not enough arguments");
+        }
+
+        let query = args[1].clone();
+        let file_path = args[2].clone();
+
+        let ignore_case = env::var("IGNORE_CASE").is_ok();
+
+        Ok(Config {
+            query,
+            file_path,
+            ignore_case,
+        })
+    }
+}
+
+fn run(config: Config) -> Result<(), Box<dyn Error>> {
+    let contents = fs::read_to_string(config.file_path)?;
+
+    let results = if config.ignore_case {
+        search_case_insensitive(&config.query, &contents)
+    } else {
+        search(&config.query, &contents)
+    };
+
+    for line in results {
+        println!("{line}");
+    }
+
+    Ok(())
+}

submissions/week-3/day-3/Hadassah/minigrep/target_local/.rustc_info.json

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+{"rustc_fingerprint":2062659276749875812,"outputs":{"17747080675513052775":{"success":true,"status":"","code":0,"stdout":"rustc 1.93.0 (254b59607 2026-01-19)\nbinary: rustc\ncommit-hash: 254b59607d4417e9dffbc307138ae5c86280fe4c\ncommit-date: 2026-01-19\nhost: aarch64-apple-darwin\nrelease: 1.93.0\nLLVM version: 21.1.8\n","stderr":""},"7971740275564407648":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/macbook/.rustup/toolchains/stable-aarch64-apple-darwin\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"aarch64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"aes\"\ntarget_feature=\"crc\"\ntarget_feature=\"dit\"\ntarget_feature=\"dotprod\"\ntarget_feature=\"dpb\"\ntarget_feature=\"dpb2\"\ntarget_feature=\"fcma\"\ntarget_feature=\"fhm\"\ntarget_feature=\"flagm\"\ntarget_feature=\"fp16\"\ntarget_feature=\"frintts\"\ntarget_feature=\"jsconv\"\ntarget_feature=\"lor\"\ntarget_feature=\"lse\"\ntarget_feature=\"neon\"\ntarget_feature=\"paca\"\ntarget_feature=\"pacg\"\ntarget_feature=\"pan\"\ntarget_feature=\"pmuv3\"\ntarget_feature=\"ras\"\ntarget_feature=\"rcpc\"\ntarget_feature=\"rcpc2\"\ntarget_feature=\"rdm\"\ntarget_feature=\"sb\"\ntarget_feature=\"sha2\"\ntarget_feature=\"sha3\"\ntarget_feature=\"ssbs\"\ntarget_feature=\"vh\"\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=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""}},"successes":{}}

submissions/week-3/day-3/Hadassah/minigrep/target_local/CACHEDIR.TAG

@@ -0,0 +1,3 @@
+Signature: 8a477f597d28d172789f06886806bc55
+# This file is a cache directory tag created by cargo.
+# For information about cache directory tags see https://bford.info/cachedir/

submissions/week-3/day-3/Hadassah/minigrep/target_local/debug/.fingerprint/minigrep-8dd52704978ccb6d/bin-minigrep.json

@@ -0,0 +1 @@
+{"rustc":2833068300835136146,"features":"[]","declared_features":"[]","target":3436377638752122688,"profile":6675295047989516842,"path":4942398508502643691,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/minigrep-8dd52704978ccb6d/dep-bin-minigrep","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}

submissions/week-3/day-3/Hadassah/minigrep/target_local/debug/.fingerprint/minigrep-8dd52704978ccb6d/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

submissions/week-3/day-3/Hadassah/minigrep/target_local/debug/.fingerprint/minigrep-8dd52704978ccb6d/output-bin-minigrep

@@ -0,0 +1,5 @@
+{"$message_type":"diagnostic","message":"cannot find trait `Error` in this scope","code":{"code":"E0405","explanation":"The code refers to a trait that is not in scope.\n\nErroneous code example:\n\n```compile_fail,E0405\nstruct Foo;\n\nimpl SomeTrait for Foo {} // error: trait `SomeTrait` is not in scope\n```\n\nPlease verify that the name of the trait wasn't misspelled and ensure that it\nwas imported. Example:\n\n```\n# #[cfg(for_demonstration_only)]\n// solution 1:\nuse some_file::SomeTrait;\n\n// solution 2:\ntrait SomeTrait {\n    // some functions\n}\n\nstruct Foo;\n\nimpl SomeTrait for Foo { // ok!\n    // implements functions\n}\n```\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":427,"byte_end":432,"line_start":17,"line_end":17,"column_start":46,"column_end":51,"is_primary":true,"text":[{"text":"fn run(config: Config) -> Result<(), Box<dyn Error>> {","highlight_start":46,"highlight_end":51}],"label":"not found in this scope","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"consider importing this trait","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":true,"text":[],"label":null,"suggested_replacement":"use std::error::Error;\n","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[1m\u001b[91merror[E0405]\u001b[0m\u001b[1m: cannot find trait `Error` in this scope\u001b[0m\n  \u001b[1m\u001b[94m--> \u001b[0msrc/main.rs:17:46\n   \u001b[1m\u001b[94m|\u001b[0m\n\u001b[1m\u001b[94m17\u001b[0m \u001b[1m\u001b[94m|\u001b[0m fn run(config: Config) -> Result<(), Box<dyn Error>> {\n   \u001b[1m\u001b[94m|\u001b[0m                                              \u001b[1m\u001b[91m^^^^^\u001b[0m \u001b[1m\u001b[91mnot found in this scope\u001b[0m\n   \u001b[1m\u001b[94m|\u001b[0m\n\u001b[1m\u001b[96mhelp\u001b[0m: consider importing this trait\n   \u001b[1m\u001b[94m|\u001b[0m\n \u001b[1m\u001b[94m1\u001b[0m \u001b[92m+ use std::error::Error;\u001b[0m\n   \u001b[1m\u001b[94m|\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"cannot find function `search` in this scope","code":{"code":"E0425","explanation":"An unresolved name was used.\n\nErroneous code examples:\n\n```compile_fail,E0425\nsomething_that_doesnt_exist::foo;\n// error: unresolved name `something_that_doesnt_exist::foo`\n\n// or:\n\ntrait Foo {\n    fn bar() {\n        Self; // error: unresolved name `Self`\n    }\n}\n\n// or:\n\nlet x = unknown_variable;  // error: unresolved name `unknown_variable`\n```\n\nPlease verify that the name wasn't misspelled and ensure that the\nidentifier being referred to is valid for the given situation. Example:\n\n```\nenum something_that_does_exist {\n    Foo,\n}\n```\n\nOr:\n\n```\nmod something_that_does_exist {\n    pub static foo : i32 = 0i32;\n}\n\nsomething_that_does_exist::foo; // ok!\n```\n\nOr:\n\n```\nlet unknown_variable = 12u32;\nlet x = unknown_variable; // ok!\n```\n\nIf the item is not defined in the current module, it must be imported using a\n`use` statement, like so:\n\n```\n# mod foo { pub fn bar() {} }\n# fn main() {\nuse foo::bar;\nbar();\n# }\n```\n\nIf the item you are importing is not defined in some super-module of the\ncurrent module, then it must also be declared as public (e.g., `pub fn`).\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":512,"byte_end":518,"line_start":20,"line_end":20,"column_start":17,"column_end":23,"is_primary":true,"text":[{"text":"    for line in search(&config.query, &contents) {","highlight_start":17,"highlight_end":23}],"label":"not found in this scope","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[1m\u001b[91merror[E0425]\u001b[0m\u001b[1m: cannot find function `search` in this scope\u001b[0m\n  \u001b[1m\u001b[94m--> \u001b[0msrc/main.rs:20:17\n   \u001b[1m\u001b[94m|\u001b[0m\n\u001b[1m\u001b[94m20\u001b[0m \u001b[1m\u001b[94m|\u001b[0m     for line in search(&config.query, &contents) {\n   \u001b[1m\u001b[94m|\u001b[0m                 \u001b[1m\u001b[91m^^^^^^\u001b[0m \u001b[1m\u001b[91mnot found in this scope\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"aborting due to 2 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[1m\u001b[91merror\u001b[0m\u001b[1m: aborting due to 2 previous errors\u001b[0m\n\n"}
+{"$message_type":"diagnostic","message":"Some errors have detailed explanations: E0405, E0425.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[1mSome errors have detailed explanations: E0405, E0425.\u001b[0m\n"}
+{"$message_type":"diagnostic","message":"For more information about an error, try `rustc --explain E0405`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[1mFor more information about an error, try `rustc --explain E0405`.\u001b[0m\n"}

submissions/week-3/day-3/Hadassah/minigrep/target_local/debug/deps/minigrep-8dd52704978ccb6d.d

@@ -0,0 +1,5 @@
+/Users/macbook/dev/Web3bridge-Rust-Masterclass-Cohort-II/submissions/week-3/day-3/Hadassah/minigrep/./target_local/debug/deps/minigrep-8dd52704978ccb6d.d: src/main.rs
+
+/Users/macbook/dev/Web3bridge-Rust-Masterclass-Cohort-II/submissions/week-3/day-3/Hadassah/minigrep/./target_local/debug/deps/minigrep-8dd52704978ccb6d: src/main.rs
+
+src/main.rs:

submissions/week-3/day-3/Hadassah/minigrep/target_local/debug/minigrep.d

@@ -0,0 +1 @@
+/Users/macbook/dev/Web3bridge-Rust-Masterclass-Cohort-II/submissions/week-3/day-3/Hadassah/minigrep/./target_local/debug/minigrep: /Users/macbook/dev/Web3bridge-Rust-Masterclass-Cohort-II/submissions/week-3/day-3/Hadassah/minigrep/src/main.rs