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fix(calc): Extract value from last occurrence of assignment operator

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This commit is contained in:
Michael Aaron Murphy 2021-10-20 23:17:09 +02:00
parent b8192e1df1
commit be7438fe64
1 changed files with 7 additions and 2 deletions
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9
plugins/src/calc/mod.rs
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@ -233,9 +233,9 @@ pub async fn uses_decimal_comma() -> bool {
/// Extracts the value from an outcome expression.
fn extract_value(expression: &str) -> &str {
expression
.find('=')
.rfind('=')
.map(|p| p + 1)
.or_else(|| expression.find('≈').map(|p| p + 3))
.or_else(|| expression.rfind('≈').map(|p| p + 3))
.map(|pos| expression[pos..].trim())
.unwrap_or(&expression)
}
@ -245,6 +245,11 @@ mod tests {
#[test]
fn extract_value() {
assert_eq!("7.5", super::extract_value("7 + 1/2 = 7.5"));
assert_eq!("7.5", super::extract_value("15/2 = 7 + 1/2 = 7.5"));
assert_eq!("1.333333333", super::extract_value("1 + 1/3 ≈ 1.333333333"));
assert_eq!(
"1.333333333",
super::extract_value("4/3 ≈ 1 + 1/3 ≈ 1.333333333")
);
}
}