Trait params::FromValue

pub trait FromValue: Sized {
    fn from_value(value: &Value) -> Option<Self>;
}

An interface for converting from Value variants.

Required Methods

fn from_value(value: &Value) -> Option<Self>

Returns Some if the conversion was successful, None otherwise.

Implementors

• impl FromValue for Value
• impl FromValue for u8
• impl FromValue for u16
• impl FromValue for u32
• impl FromValue for u64
• impl FromValue for usize
• impl FromValue for i8
• impl FromValue for i16
• impl FromValue for i32
• impl FromValue for i64
• impl FromValue for isize
• impl FromValue for f32
• impl FromValue for f64
• impl FromValue for String
• impl FromValue for bool
• impl FromValue for File
• impl<T: FromValue> FromValue for Option<T>
• impl<T: FromValue> FromValue for Vec<T>
• impl<T: FromValue> FromValue for BTreeMap<String, T>