Trait collections::str::FromStrStable
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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
Required Methods
fn from_str(s: &str) -> Result<Self, Self::Err>
Parses a string s
to return an optional value of this type. If the
string is ill-formatted, the None is returned.