neilconway opened a new issue, #10793:
URL: https://github.com/apache/arrow-rs/issues/10793
### Describe the bug
This is inconsistent with how whitespace is handling when parsing floats, as
well as the behavior when casting utf8 -> decimal.
### To Reproduce
```rust
use arrow_array::types::{Decimal128Type, Float64Type};
use arrow_array::{ArrayRef, StringArray, cast::AsArray};
use arrow_cast::parse::{Parser, parse_decimal};
use arrow_cast::cast;
use arrow_schema::DataType;
use std::sync::Arc;
assert_eq!(Float64Type::parse(" 1.5"), Some(1.5));
let strings: ArrayRef = Arc::new(StringArray::from(vec![" 1.5"]));
let decimals = cast(&strings, &DataType::Decimal128(10, 1)).unwrap();
assert_eq!(decimals.as_primitive::<Decimal128Type>().value(0), 15); // 1.5
parse_decimal::<Decimal128Type>(" 1.5", 10, 1); // Err: can't parse the
string value 1.5 to decimal
```
### Expected behavior
_No response_
### Additional context
_No response_
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