ParseFloatError in core::num - Rust (original) (raw)

Struct ParseFloatError

1.6.0 · Source

pub struct ParseFloatError { /* private fields */ }

Expand description

An error which can be returned when parsing a float.

This error is used as the error type for the FromStr implementation for f32 and f64.

use std::str::FromStr;

if let Err(e) = f64::from_str("a.12") {
    println!("Failed conversion to f64: {e}");
}

1.0.0 · Source §

👎Deprecated since 1.42.0: use the Display impl or to_string()

1.30.0 · Source §

Returns the lower-level source of this error, if any. Read more

1.0.0 · Source §

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

🔬This is a nightly-only experimental API. (error_generic_member_access #99301)

Provides type-based access to context intended for error reports. Read more

1.0.0 · Source §

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source §

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

1.0.0 · Source §