parkour 0.1.0

A fast, extensible command-line arguments parser
Documentation 
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use std::borrow::Cow;
use std::cell::{Cell, RefCell, UnsafeCell};
use std::mem::ManuallyDrop;
use std::rc::Rc;
use std::sync::{Arc, Mutex, RwLock};

use crate::{Error, FromInputValue};

impl<T: FromInputValue> FromInputValue for Box<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for Rc<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for Arc<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for Cell<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for RefCell<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for UnsafeCell<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for Mutex<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for RwLock<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: FromInputValue> FromInputValue for ManuallyDrop<T> {
    type Context = T::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        T::from_input_value(value, context).map(Self::new)
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        T::allow_leading_dashes(context)
    }
}

impl<T: ToOwned> FromInputValue for Cow<'static, T>
where
    T::Owned: FromInputValue,
{
    type Context = <T::Owned as FromInputValue>::Context;

    fn from_input_value(value: &str, context: &Self::Context) -> Result<Self, Error> {
        let v = <T::Owned as FromInputValue>::from_input_value(value, context)?;
        Ok(Cow::Owned(v))
    }

    fn allow_leading_dashes(context: &Self::Context) -> bool {
        <T::Owned as FromInputValue>::allow_leading_dashes(context)
    }
}