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Correctly handle signs in exponents in numeric_literal::format()

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This commit is contained in:
Manish Goregaokar
2021-10-01 17:27:47 -07:00
parent 51160808b8
commit 6bf5c0b185
3 changed files with 9 additions and 2 deletions
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7
clippy_utils/src/numeric_literal.rs
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@@ -177,6 +177,13 @@ impl<'a> NumericLiteral<'a> {
let mut digits = input.chars().filter(|&c| c != '_'); let mut digits = input.chars().filter(|&c| c != '_');
// The exponent may have a sign, output it early, otherwise it will be
// treated as a digit
if let Some('-') = digits.clone().next() {
let _ = digits.next();
output.push('-');
}
let first_group_size; let first_group_size;
if partial_group_first { if partial_group_first {

2
tests/ui/excessive_precision.fixed
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@@ -62,5 +62,5 @@ fn main() {
let num = 0.000_000_000_01e-10f64; let num = 0.000_000_000_01e-10f64;
// issue #7744 // issue #7744
let _ = 2.225_073_858_507_201e-_308_f64; let _ = 2.225_073_858_507_201e-308_f64;
} }

2
tests/ui/excessive_precision.stderr
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@@ -82,7 +82,7 @@ error: float has excessive precision
--> $DIR/excessive_precision.rs:65:13 --> $DIR/excessive_precision.rs:65:13
| |
LL | let _ = 2.225_073_858_507_201_1e-308_f64; LL | let _ = 2.225_073_858_507_201_1e-308_f64;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `2.225_073_858_507_201e-_308_f64` | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing the type or truncating it to: `2.225_073_858_507_201e-308_f64`
error: aborting due to 14 previous errors error: aborting due to 14 previous errors