flagon-io/hello

public

Greets people from the command line. The sample repository for g1t.

Add --loud flag that ends the greeting with three exclamation marks

g1t agentand Claude Sonnet 5.5committed 3d agoParent81ed18bBrowse files

3 files+30−10/3 viewed

+21−0View BlameViewed

36	36		pub lang: Lang,
37	37		/// Whether to print nothing (`--quiet`).
38	38		pub quiet: bool,
	39	+	/// Whether to end the greeting with three exclamation marks (`--loud`).
	40	+	pub loud: bool,
39	41		}
40	42
41	43		impl Default for Options {
⋯
47	49		times: 1,
48	50		lang: Lang::En,
49	51		quiet: false,
	52	+	loud: false,
50	53		}
51	54		}
52	55		}
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72	75		options.version = true;
73	76		} else if arg == "--quiet" {
74	77		options.quiet = true;
	78	+	} else if arg == "--loud" {
	79	+	options.loud = true;
75	80		} else if arg == "--times" {
76	81		let value = args
77	82		.next()
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98	103		text.to_uppercase()
99	104		}
100	105
	106	+	/// `text` with its final exclamation mark replaced by three.
	107	+	pub fn loud(text: &str) -> String {
	108	+	format!("{}!!!", text.strip_suffix('!').unwrap_or(text))
	109	+	}
	110	+
101	111		/// The greeting for `name`.
102	112		pub fn greeting(name: &str) -> String {
103	113		greeting_in(name, Lang::En)
⋯
136	146		}
137	147
138	148		#[test]
	149	+	fn parse_args_loud() {
	150	+	assert!(parse_args(args(&["--loud", "Ada"])).unwrap().loud);
	151	+	assert!(!parse_args(args(&["Ada"])).unwrap().loud);
	152	+	}
	153	+
	154	+	#[test]
	155	+	fn loud_uses_three_exclamation_marks() {
	156	+	assert_eq!(loud(&greeting("Ada")), "Hi, Ada!!!");
	157	+	}
	158	+
	159	+	#[test]
139	160		fn parse_args_no_args() {
140	161		assert_eq!(parse_args(args(&[])).unwrap().name, None);
141	162		}

+2−1View BlameViewed

1	1		use std::{env, process};
2	2
3		−	use hello::{greeting_in, parse_args, shout};
	3	+	use hello::{greeting_in, loud, parse_args, shout};
4	4
5	5		fn main() {
6	6		let options = match parse_args(env::args().skip(1)) {
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23	23		.or_else(\|\| env::var("USER").ok())
24	24		.unwrap_or_else(\|\| "world".to_owned());
25	25		let message = greeting_in(&name, options.lang);
	26	+	let message = if options.loud { loud(&message) } else { message };
26	27		let line = if options.shout { shout(&message) } else { message };
27	28		for _ in 0..options.times {
28	29		println!("{line}");

+7−0View BlameViewed

92	92		assert!(output.status.success());
93	93		assert!(output.stdout.is_empty());
94	94		}
	95	+
	96	+	#[test]
	97	+	fn loud_ends_with_three_exclamation_marks() {
	98	+	let output = run(&["--loud", "Ada"]);
	99	+	assert!(output.status.success());
	100	+	assert_eq!(String::from_utf8(output.stdout).unwrap(), "Hi, Ada!!!\n");
	101	+	}