Trait collections::str::FromStr
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[src]
pub trait FromStr {
type Err;
fn from_str(s: &str) -> Result<Self, Self::Err>;
}A trait to abstract the idea of creating a new instance of a type from a string.
Associated Types
type Err
The associated error which can be returned from parsing.
Required Methods
fn from_str(s: &str) -> Result<Self, Self::Err>
Parses a string s to return a value of this type.
If parsing succeeds, return the value inside Ok, otherwise
when the string is ill-formatted return an error specific to the
inside Err. The error type is specific to implementation of the trait.