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This commit is contained in:
Simon Gardling 2022-02-23 10:01:06 -05:00
parent 2613eb426c
commit 4ceb052b46
1 changed files with 5 additions and 3 deletions
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8
src/misc.rs
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@ -3,9 +3,11 @@ use wasm_bindgen::prelude::*;
pub type DrawResult<T> = Result<T, Box<dyn std::error::Error>>; pub type DrawResult<T> = Result<T, Box<dyn std::error::Error>>;
// EXTREMELY Janky function that tries to put asterisks in the proper places to be parsed. This is so cursed. But it works, and I hopefully won't ever have to touch it again. /*
// One limitation though, variables with multiple characters like `pi` cannot be multiplied (like `pipipipi` won't result in `pi*pi*pi*pi`). But that's such a niche use case (and that same thing could be done by using exponents) that it doesn't really matter. EXTREMELY Janky function that tries to put asterisks in the proper places to be parsed. This is so cursed. But it works, and I hopefully won't ever have to touch it again.
// In the future I may want to completely rewrite this or implement this natively into mevel-rs (which would probably be good to do) One limitation though, variables with multiple characters like `pi` cannot be multiplied (like `pipipipi` won't result in `pi*pi*pi*pi`). But that's such a niche use case (and that same thing could be done by using exponents) that it doesn't really matter.
In the future I may want to completely rewrite this or implement this natively into mevel-rs (which would probably be good to do)
*/
pub fn add_asterisks(function_in: String) -> String { pub fn add_asterisks(function_in: String) -> String {
let function = function_in.replace("log10(", "log(").replace("pi", "π"); // pi -> π and log10 -> log let function = function_in.replace("log10(", "log(").replace("pi", "π"); // pi -> π and log10 -> log
let valid_variables: Vec<char> = "xeπ".chars().collect(); let valid_variables: Vec<char> = "xeπ".chars().collect();