diff options
author | NerdyPepper <[email protected]> | 2019-02-24 06:21:53 +0000 |
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committer | NerdyPepper <[email protected]> | 2019-02-24 06:21:53 +0000 |
commit | 87ebe6ce99e798f3b7733647553c6c0f08f42153 (patch) | |
tree | e1904496bf102f03a193d09de073150095d8dad8 /src/main.rs |
init
Diffstat (limited to 'src/main.rs')
-rw-r--r-- | src/main.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..0a13e3e --- /dev/null +++ b/src/main.rs | |||
@@ -0,0 +1,44 @@ | |||
1 | use std::str; | ||
2 | |||
3 | struct Token { | ||
4 | kind: String, | ||
5 | val: String, | ||
6 | } | ||
7 | |||
8 | fn main() { | ||
9 | let input: &str = "2y + 11 + sin(5)"; | ||
10 | let input = input.replace(" ", ""); | ||
11 | println!("{}", input); | ||
12 | |||
13 | let mut num_vec: Vec<char> = vec![]; | ||
14 | let mut char_vec: Vec<char> = vec![]; | ||
15 | |||
16 | let mut result: Vec<Token> = vec![]; | ||
17 | |||
18 | for letter in input.chars() { | ||
19 | if letter.is_digit(10) { | ||
20 | num_vec.push(letter); | ||
21 | } else if letter == '.' { | ||
22 | num_vec.push(letter); | ||
23 | } else if letter.is_alphabetic() { | ||
24 | if num_vec.len() > 0 { | ||
25 | let token = Token { | ||
26 | kind: "Literal".into(), | ||
27 | val: num_vec.iter().collect::<String>() | ||
28 | }; | ||
29 | result.push(token); | ||
30 | char_vec.push(letter); | ||
31 | } | ||
32 | } else if is_operator(letter) { | ||
33 | |||
34 | } | ||
35 | } | ||
36 | |||
37 | } | ||
38 | |||
39 | fn is_operator(x: char) -> bool { | ||
40 | match x { | ||
41 | '+' | '-' | '/' | '*' | '^' => true, | ||
42 | _ => false | ||
43 | } | ||
44 | } | ||