Trait std::str::FromStrUnstable

pub trait FromStr {
    fn from_str(s: &str) -> Option<Self>;
}

A trait to abstract the idea of creating a new instance of a type from a string.

Required Methods

fn from_str(s: &str) -> Option<Self>

Parses a string s to return an optional value of this type. If the string is ill-formatted, the None is returned.

Implementors

• impl FromStr for f32
• impl FromStr for f64
• impl FromStr for int
• impl FromStr for i8
• impl FromStr for i16
• impl FromStr for i32
• impl FromStr for i64
• impl FromStr for uint
• impl FromStr for u8
• impl FromStr for u16
• impl FromStr for u32
• impl FromStr for u64
• impl FromStr for bool
• impl FromStr for IpAddr
• impl FromStr for SocketAddr
• impl FromStr for Path
• impl FromStr for Path
• impl FromStr for String